problem program
| efficiency
| problem program abbr. | |
| space | 解题程序 |
| telecom. | 问题程序 |
| 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 |
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| 解题程序 | |||
| 问题程序 | |||
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| 解题程序; 问题程序 | |||
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problem program : 7 phrases in 3 subjects |
| Electronics | 4 |
| Information technology | 1 |
| Technology | 2 |