定时曲线，精选ios编程学习源码，很好的参考资料。
Timing curve, selection of learning IOS programming source code, a good reference. (2013-12-14, Objective-C, 264KB, 下载1次)
用 Bézier 曲线做路径画浮云动画 归档，精选ios编程学习源码，很好的参考资料。
B é zier curve path painting clouds animation file, select learning IOS programming source code, a good reference. (2013-12-13, Objective-C, 30KB, 下载1次)
贝塞尔曲线demo：一个运动的物体：PathMove for iOS，精选ios编程学习源码，很好的参考资料。
Demo Bessel curve: a moving object: PathMove for iOS, select learning IOS programming source code, a good reference. (2013-12-07, Objective-C, 263KB, 下载3次)
这是AutoCAD DXF 2002参考手册，有利于编程人员查找DXF格式，希望对各位AUTOCAD二次开发人员有些帮助
This is a AutoCAD DXF 2002 reference manual will help programmers to find DXF format, you would like to staff the secondary development of AUTOCAD be helpful (2009-06-10, Objective-C, 100KB, 下载27次)