Support SOA, promote code reuse, enhance programming productivity, and contribute to a more flexible software environment with the virtual data access services layer.
使用虚拟数据访问服务层支持SOA、促进代码重用、提高编程效率和促成更灵活的软件环境。
This method is called by the common language runtime (CLR) data access services.
此方法由公共语言运行时 （CLR）数据访问服务调用。
Data access services provide or prevent access to data based on authorizations and restrictions (policies and rules for access).
数据访问服务基于授权和限制(策略和访问规则)来提供或阻止数据访问。
The data Access Service follows an API description such that third parties can write their own data Access Services to any data source.
数据访问服务遵循相应的API描述，因此第三方可以为任何数据源编写自己的数据访问服务。
Background applications can get events, read and write data, access services, repaint themselves and are generally not restricted other than to run at a lower priority than the foreground application.
转为后台运行的程序照样可以获得系统事件、读写数据、访问系统服务、改变自己的界面，只不过比当前显示在主界面的程序而言，运行优先级低了一点。
Background applications can get events, read and write data, access services, repaint themselves and are generally not restricted other than to run at a lower priority than the foreground application.
转为后台运行的程序照样可以获得系统事件、读写数据、访问系统服务、改变自己的界面，只不过比当前显示在主界面的程序而言，运行优先级低了一点。
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