名词短语
中文翻译：甚高频和超高频方向指示器
同义词：
['VHF', 'UHF', 'directional locator']
例句：
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1.The VHF and UHF direction finder is used to locate the ship in the vast ocean.
VHF和UHF方向指示器用于在广阔的海洋中定位船只。
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2. The direction finder on the radar screen helped us to navigate through the fog.
雷达屏幕上的方向指示器帮助我们穿越雾区。
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3. The direction finder was essential for the pilot to avoid collisions during the flight.
飞行员在飞行过程中，方向指示器是避免碰撞的关键。