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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 39614-2020 |
Quality assessment specifications for reference stations using global navigation satellite system 卫星导航定位基准站网质量评价规范 |
China National Standards Quality assessment specifications |
 English PDF |
| GB/T 10240-1988 |
Specifications for the editing and production of programme source for subjective assessment of sound quality of electro-acoustic products 电声产品声音质量主观评价用节目源编辑制作规范 |
China National Standards Quality assessment specifications |
English PDF |
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