XML also presents enough common attributes to services and applications to facilitate generic access to the data from heterogeneous programming languages and environments.
XML也向服务和应用程序提供足够的公共属性，以方便对来自各种编程语言和环境的数据的一般访问。
Spring 2.5 adds two new annotations - @Service and @Controller - to complete the role designations for a common three-tier architecture (data access objects, services, and web controllers).
在此基础上，Spring2.5又加入了两个新的注解 —— @Service和@Controller 来完成为通常的三层架构（数据访问对象、服务、web控制器）角色委任。
This method is called by the common language runtime data access services.
此方法由公共语言运行时数据访问服务调用。
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