第一阶段，前5分钟内作为client以每10秒的频率向进行ntpdata网络对时。5分钟后，也就是第二阶段，每一小时对时一次，同时每次对时完成后打开ntpd服务器,作为server给网络中的client提供对时服务。-The first phase, as a client to the frequency of every 10 seconds to make ntpdata network within the first 5 minutes. After 5 minutes, which is the second stage, when once every hour, at the same time after the completion of each open ntpd server, as a server to the network client to provide a service.