医生听到的第一个泵的声音被记录为收缩压，最后一个声音是舒张压。
The first pumping sound your doctor hears is recorded as the systolic pressure, and the last sound is the diastolic pressure.
亲子代回归法得出的血压遗传度估计值为0．42（收缩压）和0．48（舒张压），全同胞相关法得出的血压遗传度估计值为0．37（收缩压）和0．53（舒张压）。
By parent-offspring regression method heritability was estimated at 0. 42 and 0. 48 for systolic and diastolic blood pressure respectively, and 0. 37 and 0. 53 by full-sib correlation method.
测量血压中，第一次声音对应的读数称为收缩压，第二次或声音削弱时对应的读数为舒张压。
The first reading is called Systolic Blood Pressure and the second or lower reading is known as Diastolic Blood Pressure.
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