The EMS-API adopt the component execution system which is mainstream technology in software industry as integration foundation, using common extensible Markup Language ( XML ) as format of data object coding and transmission. EMS-API直接采用软件行业主流的组件执行系统作为集成基础设施,并采用通用的可扩展标记语言(XML)作为其数据对象编码和传输格式。