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| defense visual flight rules (在防空识别区 (ADIZ)以目视飞行规则飞行时要遵守的规则。要在这些规则下飞行的飞机需要申请一个叫做 DVFR flight plan (防空目视飞行规则飞行计划)的特殊飞行计划。这些飞行计划提供在防空识别区内飞行需要的飞机识别、定位和控制等信息，以维护国家安全利益) | |||
| 防空目视飞行规则: 2 phrases in 1 subject |
| Aviation | 2 |
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