The periodic long connect time was eliminated by fixing a temporary DNS problem (in this case the fix was as simple as re-connecting the laptop computer to the LAN so it could access the DNS server).
在解决了一个临时性的DNS问题之后(这个问题是通过将笔记本电脑重新连接到LAN，使之能访问DNS服务器而得到解决的)，周期性地出现连接过长的问题迎刃而解。
It is unstrict with precise in LAN for TMN, but it should have no connection with local OS time, and can synchronize to time server and different devices.
电信网管中的时钟服务对时钟的精度要求不是很高，但是要考虑既要和本地的操作系统时间无关，又要考虑同步时钟服务器和同步不同类型的设备二种情况。
It is unstrict with precise in LAN for TMN, but it should have no connection with local OS time, and can synchronize to time server and different devices.
电信网管中的时钟服务对时钟的精度要求不是很高，但是要考虑既要和本地的操作系统时间无关，又要考虑同步时钟服务器和同步不同类型的设备二种情况。
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