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| effectiveness factor | |||
| efficiency factor | |||
| effective factor | |||
| activity factor | |||
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有效因数 : 12 phrases in 8 subjects |
| Agriculture | 1 |
| Electric machinery | 1 |
| Electronics | 3 |
| Genetics | 3 |
| Hydroelectric power stations | 1 |
| Nuclear physics | 1 |
| Technology | 1 |
| Wind Energy | 1 |
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