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| sound radar (sound detecting and ranging) | |||
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搜达 : 231 phrases in 13 subjects |
| Air defense | 51 |
| Automobiles | 1 |
| Aviation | 30 |
| Earth sciences | 7 |
| Electronics | 46 |
| General | 16 |
| Mammals | 1 |
| Military | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 3 |
| Space | 55 |
| Technology | 18 |
| United States | 1 |
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