There is a bilateral link between an object and one of its deputy objects, which allows not only inheritance but also update propagation between them.
在对象和它的代理对象之间存在着双向连接，这样既能实现继承，又能实现更新迁移。
In research of active database's theory and application, the application of update propagation maintains the consistency of database system in attribute dependency.
在主动数据库的理论与应用研究中，更新传播算法的应用，保证了系统在属性依赖方面的相容性。
For methods starting with insert or update, you may want full transaction propagation; but for other methods, you may want lightweight read-only propagation.
对于以insert或update单词开始的方法，您可能想要完整的事务传播，而对其他方法，您想要轻量级的只读传播。
For methods starting with insert or update, you may want full transaction propagation; but for other methods, you may want lightweight read-only propagation.
对于以insert或update单词开始的方法，您可能想要完整的事务传播，而对其他方法，您想要轻量级的只读传播。
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