译码电路接收测量端模拟信号，转化为7段显示的数字信号，发送到数据锁存器上。
The A/D decoding circuit received simulation signal form measurement port and converted the signals into data signals which displayed by 7-segment, then signals were sent to data latch.
分析了处理并发事务时现有XML数据锁机制的问题，并提出了自己的XML数据上锁规则。
Analyze the current problems of using lock mechanism when deal with concurrency transactions of XML data.
本文不涉及分布式计算情况下的数据同步、数据锁、多线程下对象状态同步和超长事务等问题。
The synchronization and data lock in distribute enviroment, and long transaction and concurrency in multi-thread enviroment are not our concerns in this article.
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