iPhone应用程序编程指南(中文版):
http://www.apple.com.cn/developer/iphone/library/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/Introduction/Introduction.html
Cocoa基本原理指南(中文版):
http://www.apple.com.cn/developer/mac/library/documentation/Cocoa/Conceptual/CocoaFundamentals/Introduction/chapter_1_section_1.html
内存管理编程指南(中文版):
http://www.apple.com.cn/developer/iphone/library/documentation/UserExperience/Conceptual/MemoryMgmt/MemoryMgmt.html
