mdb数据库中全角/半角字符转换和小程序-mdb database-wide angle / alphanumeric characters and the small change procedures

利用radon变换寻找直线和直线倾斜的角度然后根据倾斜的角度进行旋转图片-Using radon transform and the straight line to find the angle of tilt of the tilt angle and then rotate picture

在N*N的方格棋盘放置了N个皇后，使得它们不相互攻击（即任意2个皇后不允许处在同一排，同一列，也不允许处在与棋盘边框成45角的斜线上。 你的任务是，对于给定的N，求出有多少种合法的放置方法。 -In N* N checkerboard of placed N a queen, so they don t attack each other (that is, any two queen not allowed in the same row, the same listed, and n

6种情况解三角形，包括各边，各角，面积，内切圆，外接圆，三高等三角形特征计算。并且可以输出计算过程。另外可以随机产生试卷和答案。-6 kinds of cases solution triangle, including the edge, each Angle, area, multi-shaped rod regarding, inscribed circle, three higher triangle feature calculation. And can output calcula