同样，对数据库的填充、对属性和关系的分配是灵活的，可以进行定制以满足任何项目的需求。
Again, how you populate the database and assign attributes and relationships is flexible and can be customized to suit the needs of any project.
可以灵活地为事件、产品和位置模式定义扩展属性。
A flexible mechanism to define attribute extensions to the event, product, and location schemas.
传播自定义的令牌为安全属性传播(场景8)提供了附加的灵活性，因为它允许开发人员命名、指定类型和实现任何令牌。
Propagating custom tokens gives an additional level of flexibility to security attribute propagation (Scenario 8), in that it enables the developer to name, specify the type, and implement any token.
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