名词
中文翻译：飞行高度
同义词：
['height', 'altitude', "altitude例句：1. The pilot must maintain a flying height of at least 500 meters above the ground.（飞行员必须保持至少500米的高度，高于地面。）2. The plane's altitude was determined by its speed and wind conditions.（飞机的海拔高度是根据其速度和风向条件确定的。）3. The astronauts were instructed to maintain a safe altitude during their mission.（宇航员被指示在任务期间保持安全高度。）"]
例句：
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1. The pilot must maintain a flying height of at least 500 meters above the ground.
飞行员必须保持至少500米的高度，高于地面。
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2. The plane's altitude was determined by its speed and wind conditions.
飞机的海拔高度是根据其速度和风向条件确定的。
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3. The astronauts were instructed to maintain a safe altitude during their mission.
宇航员被指示在任务期间保持安全高度。