EMG amplifier must have high gain, high input impedance, high CMRR and low noise because EMG signal itself is weak and interfered easily.是什么意思_EMG amplifier must have high gain, high input impedance, high CMRR and low noise because EMG signal itself is weak and interfered easily.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句