Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
NY/T 4129-2022 |
Calculation Method of Optimum Feed Intensity of Grassland Livestock {译} 草地家畜最适采食强度测算方法 |
China Agriculture Industry
Standards Calculation method land |
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NY/T 3877-2021 |
Calculation method of land carrying capacity of livestock and poultry manure {译} 畜禽粪便土地承载力测算方法 |
China Agriculture Industry
Standards Calculation method land |
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SJ/T 11210-1999 |
Measurement of quartz crystal unit parameters. Part 4: Method for the measurement of the load resonance frequency fL, load resonance resistance Rland the calculation of other derived values of quartz crystal units, up to 30 MHz 石英晶体元件参数的测量 第4部分:频率达30mhz石英晶体元件负载谐振频率fl和负载谐振电阻rl的测量方法及其他导出参数的计算 |
China Electronics
Standards Calculation method land |
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