But it is a pity that owing to the inaccuracy of the traditional methods for measuring this spacing, the errors of frequency response of most current test tape all over the world will be at over 20% or 2dB.是什么意思_But it is a pity that owing to the inaccuracy of the traditional methods for measuring this spacing, the errors of frequency response of most current test tape all over the world will be at over 20% or 2dB.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句