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| visual approach (按仪表飞行规则飞行的进近,当部分或全部仪表进近程序没有完成时，进近以目视参考地形进行。当允许飞行员进行目视飞行时，天气必须是能见度3mile (5km)以上以及 1000ft (300m )以上的云高) | |||
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目视进 近 : 12 phrases in 1 subject |
| Aviation | 12 |
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