原文:http://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/Multithreading/RunLoopManagement/RunLoopManagement.html
翻译:http://www.cnblogs.com/scorpiozj/archive/2011/05/26/2058167.html
原文:http://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/Multithreading/RunLoopManagement/RunLoopManagement.html
翻译:http://www.cnblogs.com/scorpiozj/archive/2011/05/26/2058167.html