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重心概念是物理学与几何学的普通概念之一,恰当而熟练地应用重心的向量表示可以把好多的几何问题转化为代数问题,可以避免解决几何解题中作辅助图形的难点,使一大类几何问题得到简单而有效的解决.
The concept of center of gravity is one of the common concepts in physics and geometry. The proper and skillful application of the vector representation of the center of gravity can transform many geometric problems into algebraic problems, and can avoid the difficulty of solving the auxiliary graphics in the geometric solving problems. Geometrical problems are solved simply and effectively.