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允许界限 | |||
允许水平 | |||
容许标准; 容许含量 | |||
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允许数值 |
permissible level: 32 phrases in 14 subjects |
Animal husbandry | 1 |
Automobiles | 2 |
Aviation | 1 |
Chemistry | 1 |
Earth sciences | 1 |
Ecology | 1 |
Electronics | 7 |
Engineering geology | 2 |
Geophysics | 1 |
Medical | 1 |
Nuclear physics | 1 |
Space | 1 |
Technology | 10 |
Telecommunications | 2 |