微积分都是关于连续统的——变化的比率，曲线的面积，立体的体积。
Calculus is all about continuums - rates of change, areas under curves, volumes of solids.
故建立适当的数学模型，然后编写程序对其进行优化，并绘制了相应的变化曲线，来实现连续提升器。
So we need to design a program to improve the function and draw the relevant changing curve to optimize the function of the continuous elevation machine.
该凸轮传动机构的凸轮具有曲率变化曲线，该曲率变化曲线在凸轮的运动范围之内具有不可连续微分的部位、特别是折点或者跃变。
A CAM of the CAM mechanism has a curvature course with points, in particular bends or jumps, which are not constantly differentiable within a movement region of the CAM.
该凸轮传动机构的凸轮具有曲率变化曲线，该曲率变化曲线在凸轮的运动范围之内具有不可连续微分的部位、特别是折点或者跃变。
A CAM of the CAM mechanism has a curvature course with points, in particular bends or jumps, which are not constantly differentiable within a movement region of the CAM.
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