名词
中文翻译：回音腔振荡器
同义词：
['echo cavity oscillator', 'resonant cavity oscillator例句：1. The reentrant cavity oscillator is used in high-frequency communication systems.（回音腔振荡器用于高频通信系统。）']
例句：
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1. The reentrant cavity oscillator is used in high-frequency communication systems.
回音腔振荡器用于高频通信系统。
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2. The reentrant cavity oscillator has a wide frequency range and can be tuned to different frequencies.
回音腔振荡器具有宽频率范围，并能调谐到不同频率。
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3.The reentrant cavity oscillator is an important component of many electronic devices.
回音腔振荡器是许多电子设备的重要组件。