“frequency relay”的概念、定义、翻译、参考文献-科学参考

单词	frequency relay
释义	frequency relay [`frē·kwǝn·sē ´rē´lā] ^ELECTRONICS Relay which functions at a predetermined value of frequency; may be an over-frequency relay, an under-frequency relay, or a combination of both.
随便看	Bond's third theory bondstone bond strength bond timber bone Bone Age bone ash bone bed bone black bone char bone chert bone coal bone conduction Bonellidae bone marrow bone meal bone oil bone seeker boninite bonnaz Bonne projection Bononian bonsai bonus bony fish

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