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中 离 子 : 88 phrases in 15 subjects |
| Aviation | 3 |
| Chemistry | 6 |
| Dentistry | 1 |
| Earth sciences | 9 |
| Electronics | 20 |
| Engineering geology | 1 |
| General | 8 |
| Geology | 2 |
| Geophysics | 4 |
| Hydroelectric power stations | 1 |
| Metallurgy | 17 |
| Plastics | 1 |
| Polymers | 2 |
| Space | 6 |
| Technology | 7 |
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