The original idea and shaping principle of locus shaping method for processing the aspheric optical parts are introduced......

To derive accurate three-dimensional (3-D) information of a scene is an important pur-pose in computer vision. Two-viem......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......