A、A.1.5
B、B.2.0
C、C.4.0
D、D.5.0
E、E.5.5
更多“如果用<img src="https://img.ppkao.com/2017-04/songdanyuan/2017042015363572697.gif" />比作为诊断近端颈内动脉狭窄的指标，以下哪个收缩期峰值流速比值提示颈内动脉管径收缩率超过70%（）<p> 如果用<img src="https://img.ppkao.com/2017-04/songdanyuan/2017042015363572697.gif" />比作为诊断近端颈内动脉狭窄的指标，以下哪个收缩期峰值流速比值提示颈内动脉管径收缩率超过70%（）</p>”相关的问题
A、如果算符<img src="https://img.ppkao.com/2019-04/liyunao/2019041013301694278.jpg" />满足<img src="https://img.ppkao.com/2019-04/liyunao/2019041013303038509.jpg" />关系式，求证
<img src="https://img.ppkao.com/2019-04/liyunao/2019041013303655462.jpg" />
A、A.<img src="https://img.ppkao.com/2018-08/chenfang/2018081516571386102.jpg" /><img src="https://img.ppkao.com/2018-08/chenfang/2018081516572558372.jpg" />
B.<img src="https://img.ppkao.com/2018-08/chenfang/2018081516572062708.jpg" />
C.<img src="https://img.ppkao.com/2018-08/chenfang/2018081516572915872.jpg" />
D.<img src="https://img.ppkao.com/2018-08/chenfang/2018081516573482159.jpg" />
A、A.<img src="https://img.ppkao.com/2017-10/chenmenghui/2017102614003091664.jpg" />
B.<img src="https://img.ppkao.com/2017-10/chenmenghui/2017102614003671116.jpg" />
C.<img src="https://img.ppkao.com/2017-10/chenmenghui/2017102614003919882.jpg" />
D.<img src="https://img.ppkao.com/2017-10/chenmenghui/2017102614004358320.jpg" />
A、A.<img src="https://img.ppkao.com/2018-10/wenxueying/2018101709580380149.jpg" />
B.<img src="https://img.ppkao.com/2018-10/wenxueying/2018101709580918934.jpg" />
C.<img src="https://img.ppkao.com/2018-10/wenxueying/2018101709581489326.jpg" />
D.<img src="https://img.ppkao.com/2018-10/wenxueying/2018101709582155293.jpg" />
A、A.<img src="https://img.ppkao.com/2018-09/wenxueying/201809051431225328.jpg" />
B.<img src="https://img.ppkao.com/2018-09/wenxueying/2018090514312856599.jpg" />
C.<img src="https://img.ppkao.com/2018-09/wenxueying/2018090514313435498.jpg" />
D.<img src="https://img.ppkao.com/2018-09/wenxueying/2018090514314231870.jpg" />
A、A.<img src="https://img.ppkao.com/2017-10/wangjinchen/201710101535567226.jpg" />
B.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101015360269012.jpg" />
C.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101015360891020.jpg" />
D.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101015361318179.jpg" />
A、A.<img src="https://img.ppkao.com/2017-09/jiangyouai/2017090711595392606.jpg" />
B.<img src="https://img.ppkao.com/2017-09/jiangyouai/2017090712000025146.jpg" />
C.<img src="https://img.ppkao.com/2017-09/jiangyouai/2017090712000730214.jpg" />
D.<img src="https://img.ppkao.com/2017-09/jiangyouai/201709071200125795.jpg" />
A、A.<img src="https://img.ppkao.com/2017-09/jiangyouai/2017090714354137749.jpg" />
B.<img src="https://img.ppkao.com/2017-09/jiangyouai/2017090714354974720.jpg" />
C.<img src="https://img.ppkao.com/2017-09/jiangyouai/2017090714355418132.jpg" />
D.<img src="https://img.ppkao.com/2017-09/jiangyouai/20170907143600941.jpg" />
A、A.<img src="https://img.ppkao.com/2019-04/wangjue/2019041614461821519.jpg" />
B.<img src="https://img.ppkao.com/2019-04/wangjue/2019041614462095631.jpg" />
C.<img src="https://img.ppkao.com/2019-04/wangjue/2019041614462391910.jpg" />
A、A.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />三态，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />低电平
B.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />三态，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
C.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />高电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
D.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />高电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
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