Verify there is no dc offset on the sinewave by momentarily setting the DVM to dc volts, and observing a reading of 0.000 V (the last two digits may fluctuate).是什么意思_Verify there is no dc offset on the sinewave by momentarily setting the DVM to dc volts, and observing a reading of 0.000 V (the last two digits may fluctuate).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句