名词短语
中文翻译：无线电罗盘指示器同义词
同义词：
['Radio compasses', 'Radio compass', 'Navigational aid']
例句：
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1. The navigational aid was crucial for the pilot to find his way in the fog.
导航辅助对于飞行员在雾中找到方向至关重要。
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2. The radio compass bearing indicator on the map displayed a direction that led directly to the city center.
地图上显示的无线电罗盘指示器指向了直接通往市中心的方向。
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3. During the long flight, the pilot relied on the radio compass bearing indicator to maintain course and avoid collisions.
在漫长的飞行过程中，飞行员依靠无线电罗盘指示器来保持航线并避免相撞。