以上来源于: WordNet
The input impedances of the arterial tree showed significant influence with different characteristics for different parameters.
不同参数对动脉树输入阻抗的影响有较大差异且呈现各自特征。
What's more, their smaller coronary arteries-the twigs on the arterial tree-can fail to dilate when they should, further restricting blood flow.
而且她们细小的冠状动脉血管，就是主动脉树上的分枝，在需要的时候很难被扩大，更加限制了血流。
This wave gets reflected in parts of the arterial tree and returns to the heart while it is ejecting blood, increasing the heart's workload.
当这种波射血并增加心脏工作负荷时，它在动脉内被反射并返回心脏。
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