正常的血压读数要求心脏收缩值在91 - 119之间，而心脏舒张值在61 - 79之间。
A normal blood pressure reading requires a systolic value of 91-119 and a diastolic value of 61-79.
这项研究是由美国科学家通过测试29名男性与59名女性完成的，实验期间研究者测量了这些测试者的心脏舒张血压。
The research was undertaken by American scientists using 29 men and 59 women whose diastolic blood pressure was measured throughout an experiment.
收缩部分是指当你的心脏扩展时的压力，舒张的数据读取是当你的心脏放松时产生的压力。
The systolic part refers to the pressure when your heart is expanded, and the diastolic reading is when your heart is at rest.
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