[Objective-C] - NSObject

标签：

1.NSAffineTransform(NSAffineTransform class is available in Cocoa framework for the Mac OS X development. And CGAffineTransform class is available in the Cocoa Touch framework for the iOS application development. If you implementing application in iOS Use CGAffineTransform.)

2.

[Objective-C] - NSObject

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原文地址：http://www.cnblogs.com/royi123/p/5031184.html