“备降”的概念、定义、翻译、参考文献-科学参考

单词	备降
释义	备降 Encyclopedia 工学航空运输安全释 alternative备降当飞机不能或不宜飞往预定着陆机场或在该机场着陆时，改航降落在其他机场的措施。
随便看	unfilled aperture radio telescope unfilled shell unfilled shell, incomplete shell unfilled state unfiltered unfinished unfinished business Unfinished Comedy unfinished game unfixed-sum insurance unflattened cone unflattened wedge unfocused unfocused interaction unfold unfoldase unfolding unfolding of reflective prism Unforgettable Battle unformatted unformatted capacity unformed unfreezing operations Ungava Peninsula ungerade

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