unit displacement
| efficiency
| unit displacement | |
| eng.geol. | 单位位移 |
| efficiency | |
| adv. | 广告效果 |
| agric. | 效能 |
| auto. | 效率; 功 效; 功 率 |
| hydroel.st. | 效能 |
| interntl.trade. од. | 有效性 |
| math. | 有效性，效益 |
| met. | 效果 |
| radio.amat. од. | 效率 |
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| 单位位移 | |||
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unit displacement : 5 phrases in 5 subjects |
| Aviation | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 1 |
| Textile industry | 1 |