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波长计 : 72 phrases in 17 subjects |
| Agriculture | 2 |
| Air defense | 6 |
| Aviation | 1 |
| Construction | 1 |
| Earth sciences | 1 |
| Electronics | 8 |
| General | 1 |
| Geophysics | 1 |
| Metrology | 1 |
| Oil / petroleum | 3 |
| Otorhinolaryngology | 1 |
| Physics | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 41 |
| Telecommunications | 1 |
| Water resources | 1 |
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