这一点称为刚体的瞬时加速度中心。
这也就是瞬时加速度。
建立了非平稳随机响应瞬时加速度功率谱与瞬时位移功率谱之间的关系；
The relation between instantaneous acceleration power spectrum and instantaneous displacement power spectrum is presented.
最后给出如何求解车辆上任一固定点非平稳随机响应的瞬时加速度功率谱。
Finally, the method of solving instantaneous acceleration power spectrum of nonstationary random response of arbitrarily point on vehicle is presented.
本文运用几何学中完全四边形的密克点概念来求取运动平面瞬时加速度中心。
The geometric concept of the Mique Point with a complete quadrilateral is employed to locate the instantaneous acceleration centre of a moving plane.
介绍了一种发动机无外载功率检测系统的软、硬件设计，利用测频法测量出某一时刻的瞬时速度，并利用最小二乘法求出角加速度。
By the method of frequency measurement, instant rotational speed is measured in the test system, angular acceleration is calculated by using the feature of the MCU with the least square method.
采用MMA220加速度传感器获取活动时的加速度，通过分段积分的方法获得瞬时速度，再结合加速度进行活动状态判断。
MMA220 was used to catch the signal of acceleration, and the speed of which was obtained by segmental integral, so that the activity state can be deduced.
对任何火山岛，不管它独特的环境为何，从无声滑动到骤然坍塌这段时期，皆会经历到快速下滑的瞬时 加速过程。
Whatever the specific circumstances for an island, the transition from silent slip to abrupt collapse would involve a sudden acceleration of the mobile slope.
许多研究表明机动车的尾气排放量与车辆的瞬时速度、加速度密切相关。
Many studies have shown that the amounts of vehicle emissions are typically affected by vehicles' instantaneous speeds and acceleration rates.
在加速送餐员以前，22岁来自华昌大街东屏园的周武会见了各种瞬时的的蓝领工作，送餐员这项工作他做的上篇上论，赚的最多。
The 22-year-old from Hebei province tried different blue-collar jobs before he became a deliveryman, which is the job he's done the longest and & quot; is most profitable"."
在加速送餐员以前，22岁来自华昌大街东屏园的周武会见了各种瞬时的的蓝领工作，送餐员这项工作他做的上篇上论，赚的最多。
The 22-year-old from Hebei province tried different blue-collar jobs before he became a deliveryman, which is the job he's done the longest and & quot; is most profitable"."
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