Introduces the principle of ultrasonic range measurement,and analyses the main error sources of ultrasonic range measurement,designs an ultrasonic range measurement system with high precision.是什么意思_Introduces the principle of ultrasonic range measurement,and analyses the main error sources of ultrasonic range measurement,designs an ultrasonic range measurement system with high precision.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句