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minimal concentration | |||
minimum concentration |
最小 浓 度 : 33 phrases in 10 subjects |
Animal husbandry | 3 |
Chemistry | 3 |
Earth sciences | 2 |
Environment | 1 |
Oil / petroleum | 2 |
Reproductive biology | 1 |
Space | 1 |
Technology | 11 |
Virology | 2 |
Water resources | 7 |