It provides a common look-and-feel throughout the portal, and a standardized application programming model, which you can leverage to integrate various backend systems into a common user experience.

在门户、以及标准化程序设计模型中，您可以利用标准化程序设计模型将不同的后端系统集成为公共用户实例，它提供了普通的品质。

youdao

The access services layer extends backend programming model and APIs out to the client.

访问服务层可以将后端编程模型和API向外扩展到客户端。

youdao

For example, the majority of Web applications today are not (and cannot) be connected to backend systems 100 percent of the time; so SDO supports a disconnected programming model.

比方说，今天的多数Web应用程序百分之百的时间没有(或不能)连接到后端系统，因此sdo支持不连接的编程模型。

youdao

We didn't have a feasible business model, let's put it this way, because when we started, the business model is to provide the backend search technology to the portal companies in China.

或者说没有一个，可行的商业模式，因为公司成立初期的商业模式，是给门户网站公司,提供后台搜索技术。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选