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| altitude test; high trial | |||
| high altitude trial | |||
| high altitude test | |||
| 高空试验: 38 phrases in 7 subjects |
| Air defense | 1 |
| Architecture | 2 |
| Aviation | 6 |
| General | 1 |
| Medical | 1 |
| Space | 21 |
| Technology | 6 |
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