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自由飞行
| 大气层
| 超燃冲压发动机
| 试验技术
| 自由飞行 | |
| aerohydr. | free coasting |
| avia. | free flight |
| model. | free flight |
| 大气层 | |
| environ. | atmosphere; atmosphere; atmospheric |
| hydroel.st. | atmosphere |
| 超燃冲压发动机 | |
| avia. | scramjet engine |
| 试验技术 | |
| hydroel.st. | testing technique |
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| free flight (无引导，自动驾驶仪除外) | |||
| free flight | |||
| free flight | |||
| |||
| free coasting | |||
| 自由飞行: 64 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 23 |
| General | 2 |
| Logistics | 1 |
| Skydiving | 5 |
| Space | 30 |
| Sports | 1 |
| Wind Energy | 1 |
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