基于此，本文提出了一种能量有效的多层动态分簇时间同步算法。
Then the time synchronization algorithm based on energy-efficient and hierarchical dynamic clustering is presented.
内置多层动态侦测可以触发警报图像记录，并传输到FTP服务器上供日后浏览。
Built-in multizone motion detection triggers the recording of alarm images that can be transferred to an FTP server for later viewing.
与大部分动态Web应用程序一样，Web服务可以从多层架构的关注点分离中受益。
Web services can benefit from the separation of concerns inherent in a multi-tier architecture in much the same way as most dynamic Web applications.
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