Data is updated only at the source and provides a single point of entry for your specific data sets.
你只需要对数据源进行更新，并为你的具体数据集提供一个单一入口点。
A typical composite service, providing a single point of entry to these claim-processing systems is presented in Figure 3.
图3给出了一个典型的组合服务，用于为这些索赔处理系统提供单一的入口点。
Single front door = single point of failure. Many large Internet businesses, such as Myspace and Yahoo, have a single "brand" front door, in that users have one point of entry into the site.
单一门户=单一故障点：许多大型互联网公司，比如Myspace和雅虎，都有一个单一的“品牌”门户，也就是只有一个进入网站的入口。
As a single entry point to all enterprise data stores, the implementation of a data service layer has many benefits.
作为所有企业数据存储的单一入口点，实现数据服务层的好处很多。
A single skin lesion develops at the point of entry of the bacterium after 2–4 weeks. Without treatment, multiple lesions appear all over the body.
细菌侵入2-4周后，在侵入的皮肤部位出现一处损伤，如果不治疗，全身将会出现多处损伤；
A single skin lesion develops at the point of entry of the bacterium after 2–4 weeks. Without treatment, multiple lesions appear all over the body.
细菌侵入2-4周后，在侵入的皮肤部位出现一处损伤，如果不治疗，全身将会出现多处损伤；
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