...健康网 或心室舒张末期的血容量（ventricular end-diastolic volume,vedv）及其产生的压力(ventricular end-diastolic pressure,vedp)（请参看第2章第一节）。 临床测定vedp方便，可用以估计心肌初长度。
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阳光为你的身体提供所需的维他命d，而且刺激安多芬以及其他一些大脑化学物质的产生，从而能够舒缓压力和改善心情。
Sunlight provides your body with much needed vitamin d, and stimulates production of endorphins and other brain chemicals that relieve depression and improve moods.
齿轮泵中轮齿啮合几何学上的原因所造成的流量脉动及其相应的压力脉动是产生噪声的主要原因之一。
The operating noises of the gear pump are mainly from the perturbations of mass flow rate and the pressure, which result in the error of gear teeth geometry contact during the rotation.
因学校对学生及其家长施加种种压力而产生的学生“隐性流失”是“普九”中的普遍现象。
The recessive drain"resulted from bringing all kinds pressure to bear on students and their parents by school is a widespread phenomenon in the process of popularizing nine year-compulsory education."
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