The difference between actual steady running tape speed,averaged over a period of 1 second or greater,and nominal tape speed,expressed as tolerance percentage on tape speed.是什么意思_The difference between actual steady running tape speed,averaged over a period of 1 second or greater,and nominal tape speed,expressed as tolerance percentage on tape speed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句