(2)脉冲多普勒测量二尖瓣口血流频谱E峰及A峰的峰值速度、E峰的减速时间(deceleration time, DT)。二尖瓣环内环脉冲组织多普勒测量Ea、Aa、Sa峰值速度。
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The low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time.
低转动惯量的转子提高了电机机械响应的质量，从而缩短了电机加速和减速的时间；
This paper introduced the function of acceleration time, deceleration time, acceleration pattern, deceleration pattern. And be related to the function of motor's start and stop.
本文介绍了变频器中的加、减速时间，加、减速方式，以及起动和停机的相关功能。
The thickness of blood vessels, inside diameter, area, flow, the length of color flow column, maximum velocity, acceleration and deceleration time were of good value on pulse tension.
对确定脉体有价值的指标是寸口脉管壁的厚度、管腔内径、管腔面积和血流量的大小以及寸口脉血流柱的长度、峰值流速血流、加速度和减速时间。
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