“call letters”的概念、定义、翻译、参考文献-科学参考

单词	call letters
释义	call letters [`kȯl ´led·ǝrz] ^{COMMUNICATIONS} Identifying letters, sometimes including numerals, assigned to radio and television stations by the Federal Communications Commission and other regulatory authorities throughout the world. Also known as call sign.
随便看	grid-rectification meter grid resistor grid return grid rhumb line grid spectrometer grid suppressor grid swing grid track grid transformer grid-type level detector grid variation grid voltage Griebe-Schiebe method Griebhard's rings Griess reagent Griffith crack griffithite Griffith's criterion Griffiths' method Griffith's white Grignard reaction Grignard reagent Grignard synthesis grike grillage

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