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N source | |||
nitrogen source | |||
nitrogen resupply | |||
nitrogen source (物质) | |||
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nitrogen source | |||
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nitrogen source |
氮源 : 17 phrases in 9 subjects |
Agriculture | 2 |
Animal husbandry | 6 |
Desert science | 2 |
Ecology | 1 |
Electronics | 1 |
Metallurgy | 1 |
Sports | 1 |
Technology | 2 |
Water resources | 1 |