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- Containing the Volume and the Center of mass in local space. 包含在局部坐标的体积和质量中心。
- The center of mass is lower, around half of the machine height. 该中心的质量较低，大约一半的机器的高度。
- A center of symmetry must coincide with the center of mass. 对称中心必须与质量中心重合。
- 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。
- He moved the table over to the center of the room. 他把桌子移到房间中心。
- The company owns a famous department store in the center of London. 这家公司在伦敦市中心拥有一家很有名气的百货商店。
- To avoid ambiguity, Newton's first and second laws for systems should be restated in terms of the center of mass. 为了避免意义含糊，牛顿第一定律和第二定律用于系统时，应根据质心的观点加以重述。
- 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。
- 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。
- Since the stars are orbiting around the center of mass of the binary, the visible one will move in a wavy line. 由于双星会绕著共同质心运行,所以假若某星有隐形伴侣,它便会以波浪形而非一般的直线运行。
- Buses go to and fro between the center of the city and the city limits. 公共汽车往返行驶于市中心和城市边缘之间。
- 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。
- Stability: the lower the center of mass, the bigger the support area, the more stable the object is. 平衡的种类稳定的程度:物体的重心越低、支持面越大,它就越稳定。
- 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。
- It is strongly advised to place thrusters symmetrically compared to the center of mass of the ship. 总之在布置侧推进器的时候要仔细考虑到船的运动受力结构。
- A solution is given about the 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。
- The dart landed plunk in the center of the target. 标枪正中靶心
- The best method of treating motion is to consider motion of the center of mass and motion about the center of mass, as we shall see in future chapter. 研究运动的最好的方法就是研究质量中心运动和绕质量中心的转动,在以下各章里我们将了解到这一点。
- The center of town; the center of a stage. 市中心；舞台中心
- For side or front thrusters, use 2 to 4 thrusters per side ( not set in stone ), remember to place them more or less symmetrically compared to the center of mass of the ship. 对于侧推进器或前推进器，每边使用2-4个推进器（可以改变），记住：放置位置尽量与飞船质心相对称。
