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| balloons-sondes | |||
| sounding balloon | |||
| balloon sonde | |||
| registering balloon | |||
| sonde | |||
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| sounding balloon | |||
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| balloon-sonde | |||
| 探测气球: 34 phrases in 10 subjects |
| Aviation | 3 |
| Earth sciences | 5 |
| Ecology | 1 |
| Electronics | 2 |
| French | 1 |
| General | 3 |
| Oil / petroleum | 1 |
| Space | 8 |
| Technology | 8 |
| Wind Energy | 2 |
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