This paper introduced the two key problems solved by the system: transactional operation and concurrent control, and proposed the lock tie mechanism based on PRI.
详细介绍了系统实现中解决的两个关键问题：事务型操作的处理和并发控制，并提出了基于优先级的锁绑定机制。
And then PRI, information encryption and VCS are add to this PLC scheme, and these effective measures improve the home control network characteristics on reliability, security and response time.
该方案由于增加了优先 级机制、信息加密和虚拟载波监听（VCS）等技术，使网络在实际应用中，在可靠性、安全性和满足不同控制 信息对时间的要求等方面，有所改善。
It includes 11 kinds of pri-control pollutant listed in US EPA and Environmental Monitoring of China.
检出了11种美国EPA和我国环境监测总站规定的优先控制污染物。
It includes 11 kinds of pri-control pollutant listed in US EPA and Environmental Monitoring of China.
检出了11种美国EPA和我国环境监测总站规定的优先控制污染物。
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