英语词汇“phase-alternation line system”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	phase-alternation line system
释义	phase-alternation line system phase-alternation line system [′fāz ‚ȯl·tər¦nā·shən ‚līn ‚sis·təm] (communications) A color television system used in Europe, in which the phase of the color subcarrier is changed from scanning line to scanning line, requiring transmission of a line switching signal as well as a color burst. Abbreviated PAL system.
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