While many good tools for dealing with persistent data are available, they all involve a lot more work than simply manipulating an in-memory data structure.
虽然有许多处理数据持久性的好工具，但是它们需要的工作都比简单操纵内存中数据结构要多得多。
The data architecture area is intended to capture the structure of persistent databases.
数据体系结构区域用于捕获持久型数据库的结构。
Making a basic linked-list data structure persistent is the easiest exercise; here, a list in Clojure is bound to a var named "a".
持久化基本链表数据结构是最简单的；在这里，Clojure中的一个列表绑定到一个名为“a”的变量。
This model has defined 4 extra persistent DOM node types, designed a storing method of mixed structure XML documents and created clustered data based on XML document orders.
此模型扩展定义了4种持久化dom节点类型，设计了一种存储混合型XML文档的方法，并依据文档的次序建立了数据聚集。
This model has defined 4 extra persistent DOM node types, designed a storing method of mixed structure XML documents and created clustered data based on XML document orders.
此模型扩展定义了4种持久化dom节点类型，设计了一种存储混合型XML文档的方法，并依据文档的次序建立了数据聚集。
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