Results the mitral annular area were changed throughout the cardiac cycle.

结果二尖瓣环面积在心动周期中不断发生变化。

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The mitral annular area index was increased in diastole, to a maximum in late diastole and decreased to a minimum in mid-systole.

最大二尖瓣环面积指数发生于舒张晚期，最小二尖瓣环面积指数发生于收缩中期。

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An indented profile creating a larger annular area causes the fluid flow rate to drop and allows debris to drop into a basket or receptacle located at the base of the tool.

具有较大环形面积的凹纹型面使流体流量下降，并使碎片落入位于工具底部的篮或接受器内。

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