名词
中文翻译：高频
同义词：
['high-frequency', 'high-level', 'high-impact']
例句：
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1. Thedevice operates at a very high frequency.
该设备以非常高的频率运行。
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2. High-frequency signals are used in radar systems.
雷达系统使用高频信号。
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3. In the study of communication, high-frequency waves have important applications.
在通信研究中，高频波有重要的应用。