China statistic GB Standards List

China "statistic" GB Standards List:

Standard Code	Standard Title	Standard Class	Order
GB/T 44108-2024	Requirements for electronic (digital) ledger management of enterprise statistical surveys {译} 企业统计调查电子（数字）台账管理要求	China National Standards statistic	English PDF
GB/T 43945-2024	Ship cabin noise prediction based on statistical energy analysis {译} 基于统计能量分析的船舶舱室噪声预报	China National Standards statistic	English PDF
GB/Z 43768-2024	Information and documentation - statistics and quality issues of web archives {译} 信息与文献-网络存档的统计和质量问题	China National Standards statistic	English PDF
GB/T 43814-2024	Rubber and rubber products-Guidelines for the application of statistics in physical experiments {译} 智能家具通用技术要求	China National Standards statistic	English PDF
GB/Z 6113.404-2023	Specification for radio disturbance and immunity measuring equipment and measurement methods Part 4-4: Uncertainty, statistics and limit value modeling Statistics of complaints and limit value calculation model for the protection of radio services {译} 无线电骚扰和抗扰度测量设备和测量方法规范第4-4部分：不确定度、统计学和限值建模投诉的统计和保护无线电业务的限值计算模型	China National Standards statistic	English PDF
GB/T 28398-2023	Standards for statistics on energy consumption of coal enterprises {译} 煤炭企业能源消费统计规范	China National Standards statistic	English PDF
GB/T 40681.2-2023	statistical methods for monitoring production process capability and performance Part 2: Process capability and performance for time-dependent process models {译} 生产过程能力和性能监测统计方法第2部分：时间相依过程模型的过程能力与性能	China National Standards statistic	English PDF
GB/Z 21223.3-2023	Guidelines for statistical analysis of aging test data Part 3: Minimum number of specimens under different test conditions given test data {译} 老化试验数据统计分析导则第3部分：给定试验数据的不同试验条件下的最少试样数量	China National Standards statistic	English PDF
GB/T 43097-2023	Heating operation data statistical methods {译} 供热运营数据统计方法	China National Standards statistic	English PDF
GB/T 41457-2022	Guide for the selection of the confidence level of the solar proton fluence and its statistical model in geosynchronous orbit in space environment {译} 空间环境地球同步轨道太阳质子注量及其统计模型置信度选择指南	China National Standards statistic	English PDF
GB/T 17989.9-2022	statistical method of quality control in production process—Control charts—Part 9: Control charts for stationary processes 生产过程质量控制统计方法控制图第9部分：平稳过程控制图	China National Standards statistic	English PDF
GB/T 17989.8-2022	statistical method of quality control in production process—Control charts—Part 8：Charting techniques for short runs and small mixed batches 生产过程质量控制统计方法控制图第8部分：短周期小批量的控制方法	China National Standards statistic	English PDF
GB/T 17989.7-2022	statistical method of quality control in production process—Control charts—Part 7: Multivariate control charts 生产过程质量控制统计方法控制图第7部分：多元控制图	China National Standards statistic	English PDF
GB/T 17989.6-2022	statistical method of quality control in production process—Control charts—Part 6: EWMA control charts 生产过程质量控制统计方法控制图第6部分：指数加权移动平均控制图	China National Standards statistic	English PDF
GB/T 17989.5-2022	statistical method of quality control in production process—Control charts—Part 5：Specialized control charts 生产过程质量控制统计方法控制图第5部分：特殊控制图	China National Standards statistic	English PDF
GB/T 6113.402-2022	Specifications for radio disturbance and immunity measuring equipment and methods of measurement - Part 4-2: Uncertainty, statistics and limit value modeling Uncertainties of measuring equipment and facilities {译} 无线电骚扰和抗扰度测量设备和测量方法规范第4-2部分：不确定度、统计学和限值建模测量设备和设施的不确定度	China National Standards statistic	English PDF
GB/T 30834-2022	Evaluation and statistics of non-metallic inclusions in steel - Scanning electron microscopy {译} 钢中非金属夹杂物的评定和统计扫描电镜法	China National Standards statistic	English PDF
GB/T 26719-2022	General Rules for statistics of Water Use by Water-Using Units {译} 用水单位用水统计通则	China National Standards statistic	English PDF
GB/T 40005-2021	Weibull statistics for strength data of fine ceramics 精细陶瓷强度数据的韦布尔统计分析方法	China National Standards statistic	English PDF
GB/T 39844-2021	Reliability growth—statistical test and estimation methods 可靠性增长统计试验和评估方法	China National Standards statistic	English PDF
GB/T 40681.6-2021	statistical methods in monitoring process capability and performance—Part 6:Process capability statistics for characteristics following a multivariate normal distribution 生产过程能力和性能监测统计方法第6部分：多元正态过程能力分析	China National Standards statistic	English PDF
GB/T 40681.5-2021	statistical methods in monitoring process capability and performance—Part 5:Process capability estimates and performance for attributive characteristics 生产过程能力和性能监测统计方法第5部分：计数特性的过程能力和性能估计	China National Standards statistic	English PDF
GB/T 40681.4-2021	statistical methods in monitoring process capability and performance—Part 4:Process capability estimates and performance measures 生产过程能力和性能监测统计方法第4部分：过程能力估计和性能测量	China National Standards statistic	English PDF
GB/T 40796-2021	Corrosion of metals and alloys—Guidelines for applying statistics to analysis of corrosion data 金属和合金的腐蚀腐蚀数据分析应用统计学指南	China National Standards statistic	English PDF
GB/T 21339-2020	The statistical and analytical methods for energy consumption in harbor industry 港口能源消耗统计及分析方法	China National Standards statistic	English PDF
GB/Z 6113.403-2020	Specification for radio disturbance and immunity measuring apparatus and methods—Part 4-3: Uncertainties,statistics and limit modelling—Statistical considerations in the determination of EMC compliance of mass-produced products 无线电骚扰和抗扰度测量设备和测量方法规范第4-3部分：不确定度、统计学和限值建模批量产品的EMC符合性确定的统计考虑	China National Standards statistic	English PDF
GB/T 28043-2019	statistical methods for use in proficiency testing by interlaboratory comparison 利用实验室间比对进行能力验证的统计方法	China National Standards statistic	English PDF
GB/T 6380-2019	statistical interpretation of data—Detection and treatment of outliers in the sample from typeⅠextreme value distribution 数据的统计处理和解释 Ⅰ型极值分布样本离群值的判断和处理	China National Standards statistic	English PDF
GB/T 28043-2019	statistical methods for use in proficiency testing by interlaboratory comparison 利用实验室间比对进行能力验证的统计方法	China National Standards statistic	English PDF
GB/T 6380-2019	statistical interpretation of data—Detection and treatment of outliers in the sample from typeⅠextreme value distribution 数据的统计处理和解释 Ⅰ型极值分布样本离群值的判断和处理	China National Standards statistic	English PDF
GB/T 37583-2019	Sanitary wares—statistic rules and methods 卫生陶瓷统计规则与方法	China National Standards statistic	English PDF
GB/T 31232.1-2018	E-commerce statistical indicator system—Part1:Overall 电子商务统计指标体系第1部分：总体	China National Standards statistic	English PDF
GB/Z 6113.401-2018	Specification for radio disturbance and immunity measuring apparatus and methods—Part 4-1:Uncertainties,statistics and limit modelling—Uncertainties in standardized EMC tests 无线电骚扰和抗扰度测量设备和测量方法规范第4-1部分：不确定度、统计学和限值建模标准化EMC试验的不确定度	China National Standards statistic	English PDF
GB/T 6113.402-2018	Specification for radio disturbance and immunity measuring apparatus and methods—Part 4-2:Uncertainties, statistics and limit modelling—Measurement instrumentation uncertainty 无线电骚扰和抗扰度测量设备和测量方法规范第4-2部分: 不确定度、统计学和限值建模测量设备和设施的不确定度	China National Standards statistic	English PDF
GB/T 34981.2-2017	Specification of data for organization statistics and real-name management system—Part 2：Code set 机构编制统计及实名制管理系统数据规范第2部分：代码集	China National Standards statistic	English PDF
GB/T 34981.1-2017	Specification of data for organization statistics and real-name management system—Part 1: General 机构编制统计及实名制管理系统数据规范第1部分：总则	China National Standards statistic	English PDF
GB/T 34981.3-2017	Specification of data for organization statistics and real-name management system—Part 3: Data dictionary 机构编制统计及实名制管理系统数据规范第3部分：数据字典	China National Standards statistic	English PDF
GB/T 34412-2017	statistical method for surface standard climate normals 地面标准气候值统计方法	China National Standards statistic	English PDF
GB/T 34052.1-2017	statistical data and metadata exchange—Part 1: Framework 统计数据与元数据交换（SDMX）第1部分：框架	China National Standards statistic	English PDF
GB/Z 34052.2-2017	statistical data and metadata exchange(SDMX)—Part 2: Information model—UML conceptual design 统计数据与元数据交换（SDMX）第2部分：信息模型统一建模语言（UML）概念设计	China National Standards statistic	English PDF
GB/T 35465.2-2017	Test method for fatigue properties of polymer matrix composite materials -Part 2: statistical analysis of linear or linearized stress-life(S-N) and strain-life(ε-N) fatigue data 聚合物基复合材料疲劳性能测试方法第2部分：线性或线性化应力寿命（S-N）和应变寿命（ε-N）疲劳数据的统计分析	China National Standards statistic	English PDF
GB/Z 33451-2016	Geographic information—Spatial sampling and statistical inference 地理信息空间抽样与统计推断	China National Standards statistic	English PDF
GB/T 21223.2-2015	Guide for the statistical analysis of ageing test data—Part 2: Validation of procedures for statistical analysis of censored normally distributed data 老化试验数据统计分析导则第2部分：截尾正态分布数据统计分析的验证程序	China National Standards statistic	English PDF
GB/T 21223.1-2015	Guide for the statistical analysis of ageing test data—Part 1: Methods based on mean values of normally distributed test results 老化试验数据统计分析导则第1部分：建立在正态分布试验结果的平均值基础上的方法	China National Standards statistic	English PDF
GB/T 31082-2014	Auditing rules for exhibition statistics 展览会数据审核规则	China National Standards statistic	English PDF
GB/T 31232.2-2014	E-commerce statistical indicator system—Part 2: Online marketing 电子商务统计指标体系第2部分：在线营销	China National Standards statistic	English PDF
GB/T 30521-2014	Trade exhibition―statistics 经济贸易展览会　数据统计	China National Standards statistic	English PDF
GB/T 30337-2013	Logistics park statistical indicator system 物流园区统计指标体系	China National Standards statistic	English PDF
GB/T 30336-2013	statistical indicator system of logistics prosperity index 物流景气指数统计指标体系	China National Standards statistic	English PDF
GB/T 29310-2012	Guide for the statistical analysis of electrical insulation breakdown data 电气绝缘击穿数据统计分析导则	China National Standards statistic	English PDF
GB/T 24438.2-2012	Natural disaster information statistics - Part 2：Extended indicators 自然灾害灾情统计第2部分：扩展指标	China National Standards statistic	English PDF
GB/T 5080.1-2012	Reliability testing - Part 1: Test conditions and statistical test principles 可靠性试验第1部分：试验条件和统计检验原理	China National Standards statistic	English PDF
GB/T 28744-2012	statistical indicator system of waste-product recyclers 废弃产品回收处理企业统计指标体系	China National Standards statistic	English PDF
GB/T 24438.3-2012	Natural disaster information statistics - Part 3：Stratified random sampling survey statistical methods 自然灾害灾情统计第3部分：分层随机抽样统计方法	China National Standards statistic	English PDF
GB/T 28398-2012	Norms of energy consumption statistics for coal enterprises 煤炭企业能源消费统计规范	China National Standards statistic	English PDF
GB/T 28281-2012	Plain bearings - Quality characteristics - statistical process control (SPC) 滑动轴承质量特性统计过程控制(SPC)	China National Standards statistic	English PDF
GB/Z 18039.7-2011	Electromagnetic compatibility - Environment - Voltage dips and short interruptions on public electric power supply systems with statistical measurement results 电磁兼容环境公用供电系统中的电压暂降、短时中断及其测量统计结果	China National Standards statistic	English PDF
GB/T 27894.2-2011	Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 2: Measuring-system characteristics and statistics for processing of data 天然气在一定不确定度下用气相色谱法测定组成第2部分：测量系统的特性和数理统计	China National Standards statistic	English PDF
GB/T 28043-2011	statistical methods for use in proficiency testing by interlaboratory comparisons 利用实验室间比对进行能力验证的统计方法	China National Standards statistic	English PDF
GB/T 26719-2011	The general principles of water statistics in enterprises 企业用水统计通则	China National Standards statistic	English PDF
GB/T 27407-2010	Quality control in laboratories applying statistical quality assurance and control charting techniques to evaluate analytical measurement system performance 实验室质量控制利用统计质量保证和控制图技术评价分析测量系统的性能	China National Standards statistic	English PDF
GB/Z 24636.5-2010	Geometrical product specifications(GPS) - statistical tolerance - Part 5: Statistical quality indices of an assembly lot (hole/shaft fits) 产品几何技术规范（GPS）统计公差第5部分：装配批（孔、轴配合）的统计质量指标	China National Standards statistic	English PDF
GB/Z 6113.405-2010	Specification for radio disturbance and immunity measuring apparatus and methods - Part 4-5: Uncertainties, statistics and limit modelling - Conditions for the use of alternative test methods 无线电骚扰和抗扰度测量设备和测量方法规范第4-5部分：不确定度、统计学和限值建模替换试验方法的使用条件	China National Standards statistic	English PDF
GB/Z 24636.4-2009	Geometrical product specifications(GPS) - statistical tolerance - Part 4: Statistical tolerance design based on given confidence levels 产品几何技术规范（GPS）统计公差第4部分：基于给定置信水平的统计公差设计	China National Standards statistic	English PDF
GB/Z 24636.3-2009	Geometrical product specifications(GPS) - statistical tolerance - Part 3: Statistical quality indices of a component lot（process）产品几何技术规范（GPS）统计公差第3部分：零件批(过程)的统计质量指标	China National Standards statistic	English PDF
GB/Z 24636.2-2009	Geometrical product specifications(GPS) - statistical tolerance - Part 2: Statistical tolerance values and their indication on drawing 产品几何技术规范（GPS）统计公差第2部分：统计公差值及其图样标注	China National Standards statistic	English PDF
GB/Z 24636.1-2009	Geometrical product specifications(GPS) - statistical tolerance - Part 1: Terms, definitions and basic concepts 产品几何技术规范（GPS）统计公差第1部分：术语、定义和基本概念	China National Standards statistic	English PDF
GB/T 3358.3-2009	statistics - Vocabulary and symbols - Part 3: Design of experiments 统计学词汇及符号第3部分：实验设计	China National Standards statistic	English PDF
GB/T 3358.2-2009	statistics - Vocabulary and symbols - Part 2: Applied statistics 统计学词汇及符号第2部分：应用统计	China National Standards statistic	English PDF
GB/T 3358.1-2009	statistics - Vocabulary and symbols - Part 1: General statistical terms and terms used in probability 统计学词汇及符号第1部分：一般统计术语与用于概率的术语	China National Standards statistic	English PDF
GB/T 8055-2009	statistical interpretation of data - Parameter estimation for gamma distribution (Pearson Ⅲ distribution) 数据的统计处理和解释 Г分布（皮尔逊Ⅲ型分布）的参数估计	China National Standards statistic	English PDF
GB/T 4087-2009	statistical interpretation of data - One-sided confidence lower limit of reliability for binomial distribution 数据的统计处理和解释二项分布可靠度单侧置信下限	China National Standards statistic	English PDF
GB/T 3359-2009	statistical interpretation of data - Determination of statistical tolerance intervals 数据的统计处理和解释统计容忍区间的确定	China National Standards statistic	English PDF
GB/T 10092-2009	statistical interpretation of data - Multiple comparison for test results 数据的统计处理和解释测试结果的多重比较	China National Standards statistic	English PDF
GB/T 24438.1-2009	Natural disaster information statistics - Part 1: Basic indicators 自然灾害灾情统计第1部分：基本指标	China National Standards statistic	English PDF
GB/T 24361-2009	Social logistics system of statistical indicators 社会物流统计指标体系	China National Standards statistic	English PDF
GB/T 24213-2009	General rules for original position statistic distribution analysis method 金属原位统计分布分析方法通则	China National Standards statistic	English PDF
GB/T 24176-2009	Metallic materials - Fatigue testing - statistical planning and analysis of data 金属材料疲劳试验数据统计方案与分析方法	China National Standards statistic	English PDF
GB/T 23256-2009	Petroleum liquids - Automatic pipeline sampling - statistical assessment of performance of automatic samplers determining the water content in hydrocarbon liquids 石油液体管线自动取样测定石油液体中水含量的自动取样器性能的统计学评估	China National Standards statistic	English PDF
GB/T 13191-2009	Information and documentation-library statistics 信息与文献图书馆统计	China National Standards statistic	English PDF
GB/T 22339-2008	Technical standards regarding to registation,statistics,assessment and information retrival in environment monitoring for producing areas of crops,animal products and aquatic products 农、畜、水产品产地环境监测的登记、统计、评价与检索规范	China National Standards statistic	English PDF
GB/T 6380-2008	statistical interpretation of data - Detection and treatment of outliers in the sample from typeⅠextreme value distribution 数据的统计处理和解释 Ⅰ型极值分布样本离群值的判断和处理	China National Standards statistic	English PDF
GB/T 4889-2008	statistical interpretation of data - Techniques of estimation and tests relating to means and variances 数据的统计处理和解释正态分布均值和方差的估计与检验	China National Standards statistic	English PDF
GB/T 8056-2008	statistical interpretation of data - Detection and treatment of outliers in the sample from exponential distribution 数据的统计处理和解释指数分布样本离群值的判断和处理	China National Standards statistic	English PDF
GB/T 4883-2008	statistical interpretation of data - Detection and treatment of outliers in the normal sample 数据的统计处理和解释正态样本离群值的判断和处理	China National Standards statistic	English PDF
GB/T 4089-2008	statistical interpretation of data Estimation and hypothesis test of parameter in Poisson distribution 数据的统计处理和解释泊松分布参数的估计和检验	China National Standards statistic	English PDF
GB/T 4088-2008	statistical interpretation of data Estimation and hypothesis test of parameter in binomial distribution 数据的统计处理和解释二项分布参数的估计与检验	China National Standards statistic	English PDF
GB/T 22152-2008	The guideline on international freight forwarding business statistic 国际货运代理业务统计导则	China National Standards statistic	English PDF
GB/T 21834-2008	Medium and low alloy steel - Determination of the distribution of multi-element contents - Original position statistic distribution analysis method 中低合金钢多元素成分分布的测定金属原位统计分布分析法	China National Standards statistic	English PDF
GB/T 15000.3-2008	Directives for the work of reference materials - Reference materials - General and statistical principles for certification 标准样品工作导则（3）标准样品定值的一般原则和统计方法	China National Standards statistic	English PDF
GB/T 21393-2008	The methods of statistics and analysis for energy consumption of highway transportation 公路运输能源消耗统计及分析方法	China National Standards statistic	English PDF
GB/T 21392-2008	The methods of statistics and analysis of energy consumption in shipping transportation 船舶运输能源消耗统计及分析方法	China National Standards statistic	English PDF
GB/T 21339-2008	The statistical and analytical methods for energy consumption in harbor industry 港口能源消耗统计及分析方法	China National Standards statistic	English PDF
GB/Z 6113.404-2007	Specification for radio disturbance and immunity measuring apparatus and methods - Part 4-4 Uncertainties,statistics and limit modelling- Statistics of complaints and a model for the calculation of limits 无线电骚扰和抗扰度测量设备和测量方法规范第4-4部分：不确定度、统计学和限值建模抱怨的统计和限值的计算模型	China National Standards statistic	English PDF
GB/Z 6113.403-2007	Specification for radio disturbance and immunity measuring apparatus and methods - Part 4-3：Uncertainties,statistics and limit modelling - Statistical considerations in the determination of EMC compliance of mass-produced 无线电骚扰和抗扰度测量设备和测量方法规范第4-3部分：不确定度、统计学和限值建模批量产品的EMC符合性确定的统计考虑	China National Standards statistic	English PDF
GB/Z 6113.401-2007	Specification for radio disturbance and immunity measuring apparatus and methods - Part 4-1: Uncertainties,statistics and limit modelling - Uncertainties in standardized EMC tests 无线电骚扰和抗扰度测量设备和测量方法规范第4-1部分: 不确定度、统计学和限值建模标准化的EMC试验不确定度	China National Standards statistic	English PDF
GB/T 20243.1-2006	Acoustics - Measurement of the influence of road surface on traffic noise Part 1: statistical Pass-By method 声学道路表面对交通噪声影响的测量第1部分统计通过法	China National Standards statistic	English PDF
GB/T 6113.402-2006	Specification for radio disturbance and immunity measuring apparatus and methods - Part 4-2: Uncertainties, statistics and limit modelling - Measurement instrumentation uncertainty 无线电骚扰和抗扰度测量设备和测量方法规范第4-2部分：不确定度、统计学和限值建模测量设备和设施的不确定度	China National Standards statistic	English PDF
GB/Z 19027-2005	Guidance on statistical techniques for GB/T19001-2000 GB/T19001-2000的统计技术指南	China National Standards statistic	English PDF
GB/T 7582-2004	Acoustics--statistical distribution of hearing thresholds as a function of age 声学听阈与年龄关系的统计分布	China National Standards statistic	English PDF
GB/T 9414.8-2001	Guide on maintainabilityof equipment--Part 9:statistical methods in maintainability evaluation 设备维修性导则第九部分:维修性评价的统计方法	China National Standards statistic	English PDF
GB/T 4882-2001	statistical interpretation of data--Normality tests 数据的统计处理和解释正态性检验	China National Standards statistic	English PDF
GB/T 17560-1998	Interpretation of statistical data--Estimation of a median 数据的统计处理和解释中位数的估计	China National Standards statistic	English PDF
GB/T 17287-1998	Liquid hydrocarbons--Dynamic measurement--statistical control of volumetric metering systems 液态烃动态测量体积计量系统的统计控制	China National Standards statistic	English PDF
GB/T 14573.4-1993	Acoustics--statistical methods for determining and verifying stated noise emission values of machinery and equipment--Part 4:Methods for stated values for batches of machines 声学确定和检验机器设备规定的噪声辐射值的统计学方法第四部分:成批机器标牌值的确定和检验方法	China National Standards statistic	English PDF
GB/T 14573.3-1993	Acoustics--statistical methods for determining and verifying stated noise emission values of machinery and equipment--Part 3:Simple (transition) method for determining and verifying labelled values for batches of machines 声学确定和检验机器设备规定的噪声辐射值的统计学方法第三部分:成批机器标牌值的确定和检验简易(过渡)法	China National Standards statistic	English PDF
GB/T 14573.2-1993	Acoustics--statistical methods for determining and verifying stated noise emission values of machinery and equipment--Part 2:Methods for stated values for individual machines 声学确定和检验机器设备规定的噪声辐射值的统计学方法第二部分:单台机器标牌值的确定和检验方法	China National Standards statistic	English PDF
GB/T 14573.1-1993	Acoustics--statistical methods for determining and verifying stated noise emission values of machinery and equipment--Part 1:General considerations and definitions 声学确定和检验机器设备规定的噪声辐射值的统计学方法第一部分:概述与定义	China National Standards statistic	English PDF
GB/T 6721-1986	statistical standard of economic losses from injury-fatal accidents of enterprise staff and workers 企业职工伤亡事故经济损失统计标准	China National Standards statistic	English PDF
GB/T 4890-1985	statistical interpretation of data--Power of tests relating to means and variances of normal distributions 数据的统计处理和解释正态分布均值和方差检验的功效	China National Standards statistic	English PDF
GB/T 4086.6-1983	Tables for statistical distributions--Poissondistribution 统计分布数值表泊松分布	China National Standards statistic	English PDF
GB/T 4086.5-1983	Tables for statistical distributions--Binomial distribution 统计分布数值表二项分布	China National Standards statistic	English PDF
GB/T 4086.4-1983	Tables for statistical distributions--F-distribution 统计分布数值表 F分布	China National Standards statistic	English PDF
GB/T 4086.3-1983	Tables for statistical distributions--t-distribution 统计分布数值表 t分布	China National Standards statistic	English PDF
GB/T 4086.2-1983	Tables for statistical distributions--χ2-distribution 统计分布数值表 χ2分布	China National Standards statistic	English PDF
GB/T 4086.1-1983	Tables for statistical distributions--Normal distribution 统计分布数值表正态分布	China National Standards statistic	English PDF
GB/T 3361-1982	statistical interpretation of data--Comparison of two means in the case of paired observations 数据的统计处理和解释在成对观测值情形下两个均值的比较	China National Standards statistic	English PDF

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