“absence-of-ground searching selector”的概念、定义、翻译、参考文献-科学参考

单词	absence-of-ground searching selector
释义	absence-of-ground searching selector [´ab·sǝns ǝv `grau̇nd `sǝrch·iŋ sǝ`lek·tǝr] ^{COMMUNICATIONS} In dial telephones, an automatic switch which rotates, or rises vertically and rotates, in search of an ungrounded contact.
随便看	absorption cell absorption circuit absorption coefficient absorption column absorption constant absorption control absorption cross section absorption current absorption curve absorption cycle absorption dynamometer absorption edge absorption-emission pyrometer absorption factor absorption fading absorption field absorption gasoline absorption hygrometer absorption index absorption lens absorption limit absorption line absorption loss absorption meter absorption modulation

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