取消设计器事务后，事务处理机制尝试回滚事务中到目前为止所做的更改。
When a designer transaction is canceled, the transaction processing mechanism attempts to roll back the changes that have been made so far in the transaction.
数据库技术的引入弥补了HLA缺乏事务处理机制这一缺陷，扩展了其数据管理能力。
Introduction of database technology into HLA provides the run-time infrastructure with transaction mechanism, so it can enhance the data management ability in HLA.
当然，XML数据库也必须具备完善的事务处理机制，这对于XML数据库多用户并发访问时极其重要的。
Certainly, XML database must have a sound mechanism for transaction processing that is an extremely important to concurrent access for multi-user.
当然，XML数据库也必须具备完善的事务处理机制，这对于XML数据库多用户并发访问时极其重要的。
Certainly, XML database must have a sound mechanism for transaction processing that is an extremely important to concurrent access for multi-user.
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