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CadTools_setup
- hi, i m delia, from romania, and i have 2 months :D.my father it s land surveyor :D
coord_transform
- hi, i m delia, from romania, and i have 2 months :D.my father it s land surveyor :D
2
- 首先对橡皮球弹跳过程进行一些理性化假设,设橡皮球是刚性的,质量为m,垂直下落碰击面是水平光滑的平面,在理想情况下碰击*量损耗。-MY I HEIPU YUO MAY COM PUTEER