50、当血流速度增快,流量加大时,彩超图像上血流信号的特点是:() When both the velocity of blood flow and the flow rate increase, the characteristic of blood flow signals on color Doppler ultrasound images is:()A.亮度提高 Brightness increaseB.亮度降低 Brightness decreaseC.亮度不变 Brightness unchangedD.都不对 All are wrong

50、当血流速度增快,流量加大时,彩超图像上血流信号的特点是:() When both the velocity of blood flow and the flow rate increase, the characteristic of blood flow signals on color Doppler ultrasound images is:()

A.亮度提高 Brightness increase

B.亮度降低 Brightness decrease

C.亮度不变 Brightness unchanged

D.都不对 All are wrong


参考答案和解析
亮度提高 Brightness increase

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