“loopback switch”的概念、定义、翻译、参考文献-科学参考

单词	loopback switch
释义	loopback switch [`lüp´bak ´swich] ^ELECTRONICS A switch at the end of a telephone line that is used to test the line and, when closed, reflects received signals to the sender.
随便看	beresorite ber function bergamot oil berg crystal Bergeron-Findeisen theory Bergius process Bergmann's rule Bergman-Turner unit bergmehl bergschrund Berg's diver method berg till beriberi Bering Sea Berkefeld filter berkelium berkeyite berlinite Berl saddle berm bermanite berm crest berm edge Bermuda grass Bermuda high

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