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C₃ activator system | |||
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activation system |
激 活系统 : 15 phrases in 11 subjects |
Agriculture | 1 |
Air defense | 1 |
Aviation | 1 |
Electronics | 3 |
Genetics | 2 |
Information technology | 1 |
Molecular genetics | 1 |
Nautical | 2 |
Project management | 1 |
Psychology | 1 |
Reproductive biology | 1 |