英语语法分析

The length in the diastole was bigger than that in the systole.

在舒张期其可视长度比收缩期长。

What are the reason that the problem here is systole and mechanism.

这里的问题是收缩的原因和机制是什么。

Each heartbeat has two basic parts: diastole and atrial and ventricular systole.

每一次心脏跳动都包含两个基本部分：舒张期以及方式收缩期。