 |
| |||
| 最高无效量; 最大无作用量 | |||
| 最大安全量 | |||
| 最大无影响剂量 | |||
| maximum no effect level: 4 phrases in 3 subjects |
| Animal husbandry | 1 |
| Technology | 1 |
| Water resources | 2 |
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