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reactor period | |||
reaction period | |||
reaction time | |||
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reaction period |
反应周期 : 40 phrases in 14 subjects |
Agriculture | 1 |
Desert science | 1 |
Ecology | 1 |
Electronics | 7 |
Engineering geology | 1 |
General | 2 |
Hydroelectric power stations | 3 |
Nautical | 1 |
Nuclear physics | 2 |
Nursing | 1 |
Oil / petroleum | 2 |
Space | 1 |
Sports | 1 |
Technology | 16 |