名词
中文翻译：弹幕高度
同义词：
['barrage height', 'barrage altitude']
例句：
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1.The drones were flying at a barrage altitude to survey the area.
无人机以弹幕高度飞行，进行区域勘察。
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2. The astronaut was able to reach the barrage altitude without losing consciousness.
宇航员能够达到弹幕高度而不失去意识。
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3. The barrage altitude is crucial for maintaining communication with other spacecraft.
弹幕高度对于与其他航天器保持通信至关重要。