名词
中文翻译：Unknown
同义词：
['centroid system', 'mass center system例句：1. The center-of-mass system is used to calculate the trajectory of a projectile.（质心系统用于计算弹道导弹的轨迹。）']
例句：
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1. The center-of-mass system is used to calculate the trajectory of a projectile.
质心系统用于计算弹道导弹的轨迹。
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2.In the center-of-mass system, the mass of the object is divided equally among its three dimensions.
在质心系统中，物体的质量被均匀地分配到其三维空间中。
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3. The center-of-mass system is widely used in engineering and science to determine the balance of forces.
质心系统在工程和科学中广泛应用，用于确定力平衡。