名词
中文翻译：Unknown
同义词：
['idle message', 'idle tone']
例句：
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1.The idle signal from the server caused a delay in our response.
服务器的闲置信号导致我们的响应延迟。
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2. The idle signal was detected by the network analyzer.
网络分析器检测到了闲置信号。
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3.The idle signal could be used to monitor the health of the network.
闲置信号可以用来监测网络的健康状态。