脏器的轮廓信息是通过()获得的The contour information of organs is obtained by ultrasonic()


脏器的轮廓信息是通过()获得的The contour information of organs is obtained by ultrasonic()

A.反射回波Reflection echo

B.散射回波Scattering echo

C.衍射diffraction

D.透射transmission

正确答案:反射回波Reflection echo