英语词汇“variable-area track”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	variable-area track
释义	variable-area track variable-area track [′ver·ē·ə·bəl ¦er·ē·ə ′trak] (engineering acoustics) A sound track divided laterally into opaque and transparent areas; a sharp line of demarcation between these areas corresponds to the waveform of the recorded signal.
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