center of mass

A center of symmetry must coincide with the center of mass.

对称中心必须与质量中心重合.

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A solution is given about center of mass of double-shaft vibrator it is simple and practical.

介绍了一种双轴振动机质心问题的求解方法,简便可行.

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That's the way the center of mass is defined.

这就是质量中心的，定义。

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The feedback control quantity has imposed on the vehicle center of mass by the form of torque, and this lead to the controller worse control effect on the side slip angle in the limit working condition.

反馈控制量以力矩的形式直接施加于整车质心，导致控制器对质心侧偏角的控制效果在极限工况时较差。

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Then the object is spun, and it lifts its center-of-mass just like a Tippe Top.

当它旋转时, 它的重心上升,如同神奇陀螺.

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The method of ballistic trajectory simulation in antiaircraft artillery is discussed in this paper. We present the model based on differential equation group in center of mass, then give an implementation algorithm that combines average fitting coefficient with fitting error correcting.

本文论述了高炮弹道仿真的方法，提出了以弹丸质心运动微分方程组为模型，采用平均弹道系数与误差拟合修正结合的弹道仿真计算方法。

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The Analytical Balance Style Instrument Measuring the Center of Mass on Axial Direction

天平式轴向质心仪

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The importance of keeping gyro center-of-mass shifts to a minimum is apparent.

保持陀螺质量中心位移为最小的重要性是非常明显的.

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The answer is in the "center of mass."

答案就是“质心”。

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To remove the ambiguity, these laws should refer to the velocity and the acceleration of the center of mass.

要避免含糊，这些定律所指的应当是质心的速度和加速度。

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Fred fired without thinking, a full auto burst , dead center of mass.

佛瑞德想也没想就开火了, 整整一梭子, 射向心脏部位.

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In pancreatic carcinoma, cystic lesions represent necroses and liquefaction in the center of mass.

胰腺癌的囊性变为肿瘤中心的坏死、液化.

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An example to apply the motion law of center of mass

应用质心运动定理一例

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The center of mass is not a certain concept in relativity theory.

在相对论情况下，质点系统的质心是一个不确定的概念。

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A Method to Quickly Obtain a Center of Mass of Picture Object

一种快速求图像目标质心的方法

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Do We Mistake Center of Mass Center of Gravity?

错误的根源在于混淆了质心与重心 吗 ?

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Any rotating body has an angular momentum about its center of mass.

任何旋转的物体在其质心附近都有一个角动量.

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Well, what was the velocity of the center of mass?

那，速度是多少呢，质量重心的速度？

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Symmetry of Physical Measure in Center of Mass System

质心系中物理量的对称性

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A New Method for Testing the Center of Mass of Automobile Power Assembly

一种测试汽车动力总成质心位置的新方法

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But the center of mass is just one smooth motion.

但整体中心稳定运动。

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The application of the center of mass coordinates to the physics

质心坐标系在物理学中的应用研究

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The center of mass relative to the transform's origin.

相对于变换原点的重心。

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The velocity of the center of mass is constant in the absence of external forces.

在无外力时,质心的速度是常量.

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And now comes another unique property of the center of mass.

它还有一个特性，质量重心的特性。

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Center of mass is way here below the suspension point.

重心大概是在这里，低于悬挂点的地方。

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Where is the center of mass of this system?

这系统的重心何在？

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As another example the center of mass of the earth and moon moves in an approximately circular orbit around the sun.

作为另一个例子，地球和月亮的质心就是在一个绕太阳的近似的圆轨道上运行。

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Suppression: Pulling down with the shoulders. Settling into the center of mass.

压制: 向下拉肩膀,拉向身体中心.

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The origin is located on the axis at the point closest to the center of mass.

原点坐落在转轴上最靠近物体质心的一点.

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