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direct ascent
| threat
| direct ascent | |
| avia. | 直接起飞; 直接进入轨道 |
| navig. | 直接上浮 |
| threat | |
| gen. | 恐吓; 危险的迹象 |
| avia. | 敌防空措施; 特指防空雷达、地空导弹、高炮和战斗机; 凶兆 |
| econ. | 征兆 |
| |||
| 直接起飞; 直接进入轨道 | |||
| 直接上浮【升高】 | |||
| 直接上升 | |||
|
direct ascent threat : 6 phrases in 2 subjects |
| Aviation | 1 |
| Space | 5 |
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