我在前面已提到J2EE通过促进数据库独立性来提高应用程序的可移植性。
I mentioned earlier that J2EE promotes database independence to improve the portability of applications.
此外，从数据访问中分离业务逻辑可实现数据库独立性，并为各种类型的数据存储提供插件能力。
In addition, separating business logic from data access enables database-independence and provides for plug-ability to various types of data stores.
LSID的位置独立性和不变性的保证使其成为数据库交叉引用的极佳候选。
Location independence and the guarantee of immutability of LSIDs make them perfect candidates for database cross-references.
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