四面八方的道路会聚在火车站前。
结果发现：33／52（63％）例生理性二尖瓣返流和87／87（100％）例病理性二尖瓣返流可于二尖瓣左室面显示血流会聚区；
Flow convergence region, which was located in the left ventricular sides of mitral valve, was displayed in 63%(33/52)of physiological MR and 100%(87/87) of pathological MR.
大家从四面八方会聚这里，各种思想碰撞出智慧的火花，以较少的投入获得了很高的产出。
People from around the world come here to exchange ideas and insights, which broaden their vision.
大家从四面八方会聚这里，各种思想碰撞出智慧的火花，以较少的投入获得了很高的产出。
People from around the world come here to exchange ideas and insights, which broaden their vision.
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