首先，在严格基于用例的基础上运行您的验收试验。
First, you run your acceptance tests that are based strictly on the use cases.
基于角色的访问建立在适当授权的基础上，可以作为中央管理基础设施的一部分被实现。
Role-based access on a need-to-use basis can be implemented as part of the central management infrastructure.
大多数业务都建立在信息管理系统的基础上，而这些信息管理系统主要的底层基础设施又是基于存储在一个或多个关系数据库中的数据。
Most businesses are built on information management systems whose main underlying infrastructures are based on data stored in one or more relational databases.
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