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detectaphone是什么意思

词条detectaphone读音[dɪ'tektəfəʊn] [dɪ'tektəˌfoʊn]
词性名词
基本解释
n.窃听器,侦探用电话机
例子
The detectaphone is a device that can detect and amplify faint sounds for surveillance purposes.
扩展释义
A detector in which the audio frequency power is used to operate a relay or other signaling device.
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