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用位置向量的末端坐标来表示结点的位置,用“合向量在绝对坐标系中的坐标等于以各分向量为自由向量的坐标和”这一向量叠加原理,求得所有结点在绝对坐标系中的瞬时坐标。简要说明了该基本数学模型的应用。
Use the end coordinate of the position vector to represent the position of the node, use “the coordinate of the co-ordinate in the absolute coordinate system equals to the coordinate sum of the free vector in each sub-vector” and this vector superposition principle obtains all nodes in the absolute coordinates Department of the instantaneous coordinates. The application of this basic mathematical model is briefly illustrated.