“closed-caption television”的概念、定义、翻译、参考文献-科学参考

单词	closed-caption television
释义	closed-caption television [¦klōzd ¦kap·shǝn `tel·ǝ´vizh·ǝn] ^{COMMUNICATIONS} A method of captioning or subtitling television programs by coding captions as a vertical-interval data signal that is decoded at the receiver and superimposed on the normal television picture.
随便看	frequency separation multiplier frequency separator frequency shift frequency-shift converter frequency-shift keyer frequency-shift keying frequency-shift modulation frequency-shift transmission frequency-slope modulation frequency spectrum frequency splitting frequency stability frequency stabilization frequency standard frequency study frequency swing frequency synthesizer frequency table frequency telemetering frequency theory frequency-time-intensity frequency tolerance frequency-to-voltage converter frequency transformation frequency translation

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