mass utilization
| efficiency
| mass utilization abbr. | |
| avia. | 质量利用 |
| efficiency abbr. | |
| 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 |
| |||
| 质量利用 | |||
|
mass utilization : 3 phrases in 2 subjects |
| Aviation | 2 |
| Technology | 1 |