英语词汇“zero level”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	zero level
释义	zero level zero level [′zir·ō ‚lev·əl] (engineering acoustics) Reference level used for comparing sound or signal intensities; in audio-frequency work, a power of 0.006 watt is generally used as zero level; in sound, the threshold of hearing is generally assumed as the zero level.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。