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| 显示 装 置: 200 phrase in 23 subjects |
| Agriculture | 1 |
| Air defense | 2 |
| Automobiles | 5 |
| Aviation | 91 |
| Computers | 1 |
| Drilling | 2 |
| Earth sciences | 2 |
| Ecology | 1 |
| Electronics | 6 |
| General | 1 |
| Geology | 1 |
| Geophysics | 1 |
| Hydroelectric power stations | 2 |
| Information technology | 2 |
| Mechanics | 1 |
| Nautical | 1 |
| Navigation | 1 |
| Oil / petroleum | 4 |
| Rail transport | 2 |
| Securities | 2 |
| Space | 22 |
| Technology | 44 |
| Telecommunications | 5 |
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