“zero level”的概念、定义、翻译、参考文献-科学参考

单词	zero level
释义	zero level [`zir·ō ´lev·ǝl] ^{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.
随便看	programmable controller programmable counter programmable decade resistor programmable device programmable electronic system programmable logic array programmable logic controller programmable power supply programmable read-only memory program maintenance programmatic interface programmed check programmed dump programmed function key programmed halt programmed logic array programmed marginal check programmed operators programmed stop programmed turn programmer programmer analyst programmer-defined macroinstruction programmer's tool kit programming

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