“line switching”的概念、定义、翻译、参考文献-科学参考

单词	line switching
释义	line switching [`līn ´swich·iŋ] ^{COMMUNICATIONS} A telephone switching system in which a switch attached to a subscriber line connects an originating call to an idle part of the switching apparatus. ^ELECTRONICS Connecting or disconnecting the line voltage from a piece of electronic equipment.
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