 |
| 效率 系数: 25 phrases in 13 subjects |
| Bridge construction | 1 |
| Business | 2 |
| Ecology | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Fish farming pisciculture | 1 |
| Geology | 1 |
| Information technology | 1 |
| Mechanics | 1 |
| Nautical | 1 |
| Project management | 1 |
| Research and development | 1 |
| Technology | 12 |
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