“threshold frequency”的概念、定义、翻译、参考文献-科学参考

单词	threshold frequency
释义	threshold frequency [`thresh´hōld ´frē·kwǝn·sē] ^ELECTRONICS The frequency of incident radiant energy below which there is no photoemissive effect.
随便看	alphabetic coding alphabetic shift alphabetic string alphabet length alpha brass alpha cell alpha cellulose Alpha Centauri alpha cross section alpha cutoff frequency alpha decay alpha emission alpha fetoprotein alphageometric technique alpha globulin alpha gypsum alpha helix alpha hemolysis alpha iron alpha irradiation alphameric characters alphameric typebar alphamosaic technique alphanumeric characters alphanumeric display device

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