xOrg = (xDst-xCenter)*cos(angle) -(yDst-yCenter)*sin(angle) + xCenter;yOrg = (xDst-xCenter)*sin(angle) +(yDst-yCenter)*cos(angle) + yCenter;求：xDst = ；yDst= ；变换上面两个式子,得到xDst = xOrg .yOrg.；yDst=xOrg .yOrg.；xCenter；yCen

xOrg = (xDst-xCenter)*cos(angle) -(yDst-yCenter)*sin(angle) + xCenter;yOrg = (xDst-xCenter)*sin(angle) +(yDst-yCenter)*cos(angle) + yCenter;求：xDst = ；yDst= ；变换上面两个式子,得到xDst = xOrg .yOrg.；yDst=xOrg .yOrg.；xCenter；yCen delphi时钟转动角度计算公式画分钟Angle := 2 * Pi * (Minute+45) / 60;Angle := 2 * Pi * (Hour + 9 + Minute / 60) / 12;//画时针画秒钟Angle := 2 * Pi * (Second+45) / 60;DrawHand (XCenter,YCenter,Radius,Radius * 30 div 100,Angle);在网 =? = = = = =? = =? ===== ...............................快一点================= 米娜桑帮我想个作文题目吧,内容是关于孝的=============================================新颖一点的！新颖！============================================= == =.= = = = = ==