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1·The worm makes a translational movement in accordance with the external force received by the first or second link.

所述蜗杆，具有根据所述第一连杆或所述第二连杆受到的外力而并进移动的结构。

2·The unified formula results from the revolution and translational movement of the coordinate axis. Apart from the unified calculating formula, the idea for calculation is clear and distinct.

利用坐标轴的旋转和平移，导出了组合机床主轴箱多种传动形式下传动轴坐标计算的统一公式。