Comparative Investigation of Left Ventricle Ejection Fraction Measured by Reconstructed Impedance Cardiography and Ultrasonic Echocardiography是什么意思_Comparative Investigation of Left Ventricle Ejection Fraction Measured by Reconstructed Impedance Cardiography and Ultrasonic Echocardiography在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句