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单选题
飞机导航系统向机组人员提供飞行所需的数据，并满足最适当的安全要求。
A
The aircraft navigation systems provide the flight which is required by the crew,and meet the the most provisionally safety requirements.
B
The aircraft navigation systems provide the flight which is required by the crew,and meet the the most appropriate safety requirements.
C
The aircraft navigation systems provide the crew with the data required for flight within the most appropriate safety requirements.
答案解析
正确答案：C
相关知识点：
导航供数据，满足安全求
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