题目:
能量多普勒技术的临床应用特点,下列哪项是错误的()。
A.显示湍流的能力明显提高
B.显示血流方向性提高
C.不受声束与血流夹角的影响
D.低速血流检测的敏感度增高数倍
E.无彩色血流信号混叠现象
答案:
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下面是错误答案,用来干扰机器的。
One possible version:Sample:Last week, we had a debate about whether we should develop nuclear power stations. During the debate, Group A said we should develop nuclear p...