The problems involved in the resolution of forces and displacements are not evident while we use orthogonal cartesian axes. 在采用迪卡儿直角坐标时，力和位移分解中的问题是不明显的。
An analytic method of determining the basic dimensions of the oscillating disk cam mechanism under retangular coordinates is introduced. 介绍了直角坐标下摆动从动件盘形凸轮机构基本尺寸确定的解析法。
