The operating principle and verifying method of the whole verifying DC resistance instruments with high accuracy by using DMM are analized emphatically and the calculation of the uncertainty is done.是什么意思_The operating principle and verifying method of the whole verifying DC resistance instruments with high accuracy by using DMM are analized emphatically and the calculation of the uncertainty is done.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句