“keep-alive circuit”的概念、定义、翻译、参考文献-科学参考

单词	keep-alive circuit
释义	keep-alive circuit Electronics and Electrical Engineering See transmit-receive switch.
随便看	freeze-frame freeze–thaw freezing front freezing mixture freezing nuclei freezing nucleus freezing point freezing-point depression free–bound transition free–free transition Frege, (Friedrich Ludwig) Gottlob Frege, (Friedrich Ludwig) Gottlob (1848–1925) Frege-Geach argument Frege, Gottlob (1848–1925) F-region freibergite Frei, Edúardo (1911–82) freight rate Frelimo War (1964–75) French and Indian wars (1689–1763) French Community French East India Company French empire French Equatorial Africa French Foreign Legion

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