名词中文翻译
中文翻译：方向性高频天线
同义词：
['directional high frequency antenna', 'directional antenna']
例句：
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1. The directional HF antenna was used to detect the location of the enemy aircraft.
使用定向高频天线来探测敌方飞机的位置。
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2. The directional HF antenna is essential for communication in urban areas.
定向高频天线在城市地区的通信中至关重要。
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3.The directional HF antenna was designed to provide a clear signal with minimal interference.
定向高频天线被设计为提供清晰信号，并尽量减少干扰。