 |
|
陡度 : 112 phrases in 24 subjects |
| Agriculture | 4 |
| Air defense | 1 |
| Animal husbandry | 1 |
| Automobiles | 1 |
| Aviation | 3 |
| Bridge construction | 2 |
| Business | 2 |
| Construction | 1 |
| Desert science | 1 |
| Electric machinery | 3 |
| Electronics | 5 |
| Engineering geology | 3 |
| General | 6 |
| Geophysics | 1 |
| Hydroelectric power stations | 7 |
| Mathematics | 2 |
| Metallurgy | 3 |
| Oil / petroleum | 5 |
| Physical sciences | 1 |
| Securities | 1 |
| Space | 1 |
| Statistics | 3 |
| Technology | 53 |
| Wind Energy | 2 |
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