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| 接近: 563 phrases in 28 subjects |
| Astronomy | 1 |
| Automated equipment | 2 |
| Automobiles | 1 |
| Aviation | 18 |
| Business | 2 |
| Computers | 2 |
| Construction | 1 |
| Education | 9 |
| Electronics | 22 |
| Epistolary | 1 |
| General | 243 |
| Law | 5 |
| Linguistics | 1 |
| Medical | 1 |
| Microelectronics | 1 |
| Military | 32 |
| Missiles | 5 |
| Nautical | 6 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil processing plants | 3 |
| Politics | 1 |
| Rail transport | 3 |
| Robotics | 1 |
| Shipbuilding | 1 |
| Space | 8 |
| Technology | 189 |