名词
中文翻译：频道空闲噪声
同义词：
['channel noise', 'channel interference', 'channel interference noise']
例句：
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1. The radio station's channel idle noise is too loud.
这个电台的频道空闲噪声太吵了。
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2. The engineer needs to check the channel idle noise to ensure the signal quality.
工程师需要检查频道空闲噪声，以确保信号质量。
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3. During the test, we need to minimize the channel idle noise to avoid interference.
在测试期间，我们需要尽量减少频道空闲噪声以避免干扰。