文件: document; file; papers; inst ...可以: can; may定义: definition; delimiting类型: type; mold; form; cut为: support; stand for预定义类型: predefined type用户定义类型: user defined type程序员定义类型: programmer-defined type复合自定义类型: composite user type使用者定义类型: user defined type重定义类型不匹配: type mismatch in redeclaration of 'xxx'指针定义中未定义类型: error 19: undefined定义类: defining class文件类型定义: document type definition,dtd; dtd document type definition文件类型定义,资料(数据)类型定义: document type definition已定义类: class-defined自定义类: customized class自定义文件类型: d d-channel /唯一定义类目: uniquely defining class数不清的 可以定量的: untold able to quantify两种类型为用户类: user class类型定义: type definition; typedef; typeof(); xml.doctypedecl()doc新类型定义: new type definition定义块文件: w *wblock定义文件: defined file; definition file; xml