英语词汇“center of mass”是什么意思，翻译、用法及简单造句-英汉双解词典-英汉网

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单词	center of mass
释义	center of mass 英汉-汉英词典质心；质量中心词组 \| 习惯用语您要查找的是不是： centre of mass [力] 质心；质量中心 barycenter centre of mass 质量中心 center of mass measurement 质心测量 centre of mass system 质心系; 惯心系统; CM Center of Mass 质量中心 Center of mass driving 质心驱动 Lock Center of Mass 锁定质量中心 center of mass [力] 质心；质量中心 center of mass theorem 质心定理 center of mass system 质心系,质心坐标系 center of mass motion 质心运动 center of mass law 质心定理 center of mass coordinate 质心坐标系 motion of center of mass 质心运动原声例句 Reel知识卷轴 Human being center of mass rest between their legs, your hips. 人的重心在两腿之间，臀部之间。听力文摘 The answer is in the center of mass. 答案就是质心。 Crash Course 天文篇 In reality, both circle around their mutual center of mass, located between the two. 事实上，两者都围绕着位于两者之间的相互质心旋转。 VOA慢速英语_科技 These are sets of two stars that orbit around a common center of mass. 即由两颗恒星组成的组合，它们围绕一个共同的质心运行。 Vox 观点 The planets and Sun are orbiting, what we call their common center of mass. 行星和太阳都在绕轨道运行，我们称之为它们的共同质量中心。 Reel知识卷轴 To make your opponent unstable, you have to move his or her center of mass. 要使你的对手不稳定，你必须移动他或她的重心。听力文摘 Three times heavier and the center of mass will be three times closer. And so on. 重三倍，质心的位置就进三倍，以此类推。科学60秒听力 2014年9月合集 Within a given supercluster, all galaxy motions will be directed inward, toward the center of mass. 而在超星系团内部，所有星系都是向内部质心运动。科学60秒听力 2015年1月合集 The future device would quickly rearrange or even eject internal components to change its center of mass. 这款未来电子设备将能够在最短时间内进行重新排列或弹出内部组件以改变重心。双语版 TED-Ed 演讲精选 With a low center of mass, the wheel just swings back and forth like a pendulum, then stops. 当质心较低时，车轮就像钟摆一样来回摆动，然后停止。中文百科质心质量中心简称质心，指物质系统上被认为质量集中于此的一个假想点，质心的位置矢量是质点组中各个质点的位置矢量 $r_i$ 根据其对应质量加权平均之后的平均矢量。质心不一定要在有重力场的系统中才会有意义，而重心则否。值得注意的是，除非重力场是均匀的，否则同一物质系统的质心与重心通常不在同一假想点上。对于密度均匀、形状对称分布的物体，其质心位于其几何中心处。在一个N维空间中的质量中心，坐标系计算公式为： $r_m = {\sum {m_i} {r_i} \over \sum m_i}$ 其中： $r$ 表示某一坐标轴 $m_i$ 表示物质系统中，某i质点的质量 $r_i$ 表示物质系统中，某i质点的座标。英语百科 Center of mass 质心 In physics, the center of mass of a distribution of mass in space is the unique point where the weighted relative position of the distributed mass sums to zero or the point where if a force is applied causes it to move in direction of force without rotation. The distribution of mass is balanced around the center of mass and the average of the weighted position coordinates of the distributed mass defines its coordinates. Calculations in mechanics are often simplified when formulated with respect to the center of mass. 近义、反义、联想词近义词 n. center, centre, midpoint 英英词典 center of mass n. point representing the mean position of the matter in a body synonymous： centre of mass
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更新时间：2025/6/19 15:33:27