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多 普 勒测速 : 55 phrases in 11 subjects |
| Aviation | 4 |
| Earth sciences | 10 |
| Electronics | 11 |
| General | 1 |
| Geophysics | 2 |
| Hydroelectric power stations | 1 |
| Navigation | 3 |
| Oil / petroleum | 2 |
| Space | 10 |
| Technology | 9 |
| Wind Energy | 2 |
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