本文应用画法几何投影变换方法来研究瞬时螺旋运动有关构造、位移等参数之间的几何关系。
In this paper, the method of geometric transformation is used to search the relationship between the parameters of construction and the displacement of the flop.
本文应用对偶正交变换下不变量，提出空间机构位移分析的对偶不变量方法。
Using the invariant under the dual orthogonal transformations, a method for the displacement analysis of spatial mechanisms is proposed.
楔形体顶端邻域内的位移场假定没有采用奇异变换技术。
The singular transformation technique is not used in the assumption of displacement fields around the wedge tip.
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