“keying frequency”的概念、定义、翻译、参考文献-科学参考

单词	keying frequency
释义	keying frequency [`kē·iŋ ´frē·kwǝn·sē] ^{COMMUNICATIONS} In facsimile, the maximum number of times a second that a black-line signal occurs when scanning the subject copy.
随便看	side keelson side lobe side-lobe blanking side-lobe cancellation side-looking radar side milling side-milling cutter side oblique air photograph side pinacoid side plates sideraerolite side rake side reaction sidereal sidereal clock sidereal day sidereal hour angle sidereal month sidereal noon sidereal period sidereal table sidereal time sidereal year side relief angle siderite

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