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平面 示位器 : 95 phrases in 15 subjects |
| Air defense | 16 |
| Architecture | 1 |
| Aviation | 4 |
| Computers | 1 |
| Construction | 2 |
| Desert science | 1 |
| Earth sciences | 2 |
| Electronics | 18 |
| General | 4 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Radio | 2 |
| Remote sensing | 1 |
| Space | 13 |
| Technology | 28 |
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