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Calculation examples of the frictional base isolation system and the hysteretic-friction base isolation system are presented, and the root-mean-square displacement, velocity and absolute acceleration responses of the former systems are compared with those of the latter system.

给出了摩擦基底隔震系统和滞变-摩擦基底隔震系统的计算实例，并对这两种隔震系统的均方根位移，速度和绝对加速度反应进行了比较。

Paul Langevin was a strong supporter of special relativity but argued in 1911 that absolute effects from velocity change or acceleration demonstrate the existence of an aether.

保罗langevin是一个强有力的支持者，狭义相对论，但辩称在1911年，绝对影响速度的改变或加速度表明存在着

Then considering earth rotation and 6-DOF movement,the expression of absolute velocity and absolute acceleration for vehicle centroid are deduced by using transform of vector derivative.

与陆基固定垂直发射条件不同的是，潜射弹道式飞行器是在运动着的潜艇这样的动基座上进行发射的，为了保持发射时潜艇的可操纵性以及发射后使发射艇尽快离开发射位置，发射艇要有一定的速度。

Based on the sliding response theory of the free-standing equipment, the differential equation of motion of the free-standing equipment under seismic excitations is presented. The equation is solved by Runge-Kutta algorithm, therefore the absolute acceleration, relative velocity and relative displacement of the equipment can be obtained. The sequential coulomb friction model is applied to the analysis.

以前人研究建立的浮放设备滑移反应分析理论为基础，给出了浮放设备在水平和竖向地震输入下滑移反应运动微分方程，选取连续型的库仑摩擦力模型，采用Runge-Kutta法求解浮放设备地震滑移反应运动微分方程，可以得到浮放设备在地震作用下的绝对加速度、相对速度和相对位移反应时程。

Consensus is found by comparing the simulation result and test results in deformations and acceleration curve. Energy absorption behavior of each part is compared.

以ECE R33法规对该轿车进行了碰撞过程仿真计算，仿真计算的变形结果和实验结果吻合度达到80％，车身典型位置的加速度曲线也有相同的规律。

Where g is the acceleration due to gravity in free fall.

这里的 g 是自由下落时的重力加速度。

The slope of the best fit line for distance doubled and time squared gives the acceleration due to gravity.

距离的两倍与时间的平方的最佳拟合曲线的斜率就是重力加速度。

Where g is the acceleration due to gravity.

其中 g 是重力加速度。

Anything launched in this way would have to be able to survive enormous accelerations – more than 2000 times the acceleration due to gravity (2000g).

使用这种方式发射的物体必须能承受巨大的加速度：重力加速度的2000倍（2000 G）。

A graph of average speeds versus time can give the acceleration due to gravity of the falling object.

平均速度——时间图表可以给出这个自由落体的重力加速度。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。