通过折射率匹配方法，应用激光多普勒测速仪测量了突缩与分叉复合管内的液体流场。

Liquid flow field in a tube with a combination of a stenosis and a bifurcation was measured using refractive index matching technique.

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分别测量导丝分叉点到病灶中心点的距离，同时对患者舒适度进行评分，并统计不良反应发生率。

The distance from bifurcation of wire to lesion center was measured, the degree of comfort and adverse reaction was reported and recorded, and then were statistically analyzed.

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IVUS对离心性、钙化、左主干、分叉部位和弥漫性病变的检出率显著高于CAG（P< 0 .0 5 ）。

The rates of detection with IVUS were more than those with CAG for calcified lesion, eccentric lesion, diffuse lesion and lesions in left main trunk and bifurcation(P<0.05).

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