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本文给出了一般情况空间共轭中接触线上点的法线与瞬时轴的关系式.并详细地揭示了该公式的深刻内涵.
In this paper, the relation between the normal line and the instantaneous axis of the point of contact in the general case of spatial conjugation is given, and the profound connotation of the formula is revealed in detail.