file type是什么意思

用法例句

Context Based Matching of Heterogeneous DTDs;

基于上下文的异构文档类型定义匹配

Transformation and Integration of Heterogeneous XML DTDs;

异构XML文档类型定义的转换与集成

Finally, a example is given to implement the modified IDMEF data model using DTD in XML.

最后给出了一个例子 ,使用DTD(文档类型定义 )描述XML文档实现了改进的IDMEF模

Research on deriving the document type definition of XML from frame;

基于框架的XML文档类型定义研究

Firstly,a mapping model(PTO) from document type definition(DTD) structure to global schema is constructed,then PTO is combined with relaxation and scoring mechanism and a novel algorithm-OAXQ is presented.

该方法将传统的基于查询模式树松弛的近似查询策略与基于本体的XML数据集成思想相融合,首先建立文档类型定义结构与全局模式的映射模型(PTO),再将PTO与近似查询领域的松弛操作、打分机制相结合,提出了一种新的XML近似查询算法——OAXQ。

Firstly,the paper analyzes the deficiencies of HTML;secondly,it introduces the main content of SMIL and its document type definition an well as its player Realplayer and streaming transmission;lastly,it summarizes the advantages of SMIL in creating dynamic multimedia presentations on the web.

本文首先分析了HTML的不足之处 ;然后介绍了SMIL语言主要内容及其文档类型定义 ,以及播放器和流式传输 ;最后总结了SMIL在创作Web上动态多媒体展示方面的优