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红外探测器 : 108 phrases in 20 subjects |
| Air defense | 1 |
| Astronautics | 1 |
| Aviation | 6 |
| Business | 1 |
| Cartography | 1 |
| Compressors | 1 |
| Earth sciences | 4 |
| Ecology | 1 |
| Electronics | 18 |
| General | 2 |
| Geophysics | 2 |
| Metallurgy | 1 |
| Military | 1 |
| Oil / petroleum | 1 |
| Radio | 1 |
| Rail transport | 1 |
| Shipbuilding | 2 |
| Space | 36 |
| Technology | 25 |
| United States | 2 |
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