针对数控机床的位置伺服系统，为其控制器设计了一种复合滑模变结构控制算法。
Aiming at the position servo system of NC machining tool, this paper designs a kind of control arithmetic on compound sliding variable structure for its controller.
导出了在对数饱和非线性介质中传播的强激光基模高斯光束宽度随传播距离变化的方程。
The variation equation describing distance dependence of the beam waist of a fundamental Gaussian beam with high intensity propagating in logarithmically saturable nonlinear media has been deduced.
针对数值分析后的模型，采用激光选区烧结法快速制作零件及凹模的实体原型。
The rapid prototypes of the part and its die were fabricated by selective laser sintering (SLS), a rapid prototyping technique.
针对数值分析后的模型，采用激光选区烧结法快速制作零件及凹模的实体原型。
The rapid prototypes of the part and its die were fabricated by selective laser sintering (SLS), a rapid prototyping technique.
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