How to measure the acoustic output of medical diagnostic ultrasonic equipments as per the requirement of the national standard is discussed here,and a new measuring system for it is introduced.是什么意思_How to measure the acoustic output of medical diagnostic ultrasonic equipments as per the requirement of the national standard is discussed here,and a new measuring system for it is introduced.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句