logic key hierarchy 逻辑密钥分层lkh
This methodology exposes the relationships and data hierarchy to the business logic.
这种方法向业务逻辑公开了关系和数据层次结构。
Fairly complex logic implementation required for capabilities like advanced search and navigation in the object hierarchy.
对于对象层次结构中的高级搜索和导航等功能，需要相当复杂的逻辑实现。
Using the XML data model, the whole hierarchy of data object wrappers can be eliminated, leaving the programmer to focus on the business logic rather than on the business data management.
通过使用XML数据模型，就可以取消整个数据对象包装器层次结构，让开发人员将注意力集中在业务逻辑上，而不会为业务数据管理分心。
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