nondensely defined什么意思?

nondensely defined什么意思? C++中 defined(x)什么意思 预编译时有#if defined(sting-i)#define string-i .#else defined是什么意思 defined contribution是什么意思 #if defined(DEBUG_FLAG) defined benefit pension defined(adj.)的意思?搭配? C语言中#defined PR FCKeditorAPI is not defined是什么意思 ReferenceError:CollectGarbage is not defined ReferenceError:e is not defined #if,#endif,defined的意义和用法 one or more multiply defined symbols found one or more multiply defined symbols found defined only if Cond is true You use the link is not defined. defined('IN_PHPCMS') or exit('No permission resources. if(!defined('IN_UCHOME')) { exit('Access Denied');