n皇后算法，多边形裁减，正方体旋转，三角形的绘制与填充，画虚的直线和曲线-n Queen s algorithm, polygon reduction, cube spins, drawing a triangle with the filling, painting imaginary straight lines and curves
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001172s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000989s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001588s ]
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