The important result of the relation of the inverse ratio of square through calculating the gravitation of a ball shell with uniformly-distributed mass on a particle.
通过计算质量分布均匀的球壳对一质点的引力，验证了平方反比关系的重要结果。
This paper aimed to achieve the dynamics model of mass terms for PMAs. In the modeling, PMAs were considered as a system of particles which were distributed uniformly along a cylinder.
单独考虑气动肌肉的质量项并在动力学推导中将其看成沿圆柱体均匀分布的质点系，利用拉格朗日方程建立了气动肌肉质量项动力学模型。
Reticulate pattern roller oil supply with high accuracy makes lustering oil uniformly distributed and can control oil mass effectively.
高精度网纹辊供油，上光油均布平整，并可有效控制油量。
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