| 释义 |
differential transmission短语⁹⁶⁶⁷⁷⁺⁶
基本例句
差速传动
An instrument that in a painless and noninvasive manner uses thedifferential transmissionand reflection of ultrasonic waves to create a detailed visual image of the brain.超声波心动描记器一种用来显示详细的大脑图象的仪器，利用超声波发送和反射的差异来测试并无伤无痛 |