运动群（group of motions）是1993年公布的数学名词。
黎曼流形运动群的研究是微分几何中一个重要问题。
Research of the group of motions in Riemann manifold is an important question of the differential geometry.
本文给出仿射联络空间中仿射运动群的基本定理的一种证明；
This paper gives a proof about the fundamental theorem(and the inverse theorem)on the affine groups of motions in the affinely connected spaces.
对排球运动发明及排球运动群开发过程分析，给了我们重要的启示。
The analysis on volleyball invention and the course of developing volleyball athletics groups gives us some important inspiration.
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