描述细节的文章:http ://www.informit.com/articles/article.aspx? p=26316&seqNum=3
客户端http://commons.apache.org/net/apidocs/org/apache/commons/net/ntp/NTPUDPClient.html
使用Java查询时间的服务器
描述细节的文章:http ://www.informit.com/articles/article.aspx? p=26316&seqNum=3
客户端http://commons.apache.org/net/apidocs/org/apache/commons/net/ntp/NTPUDPClient.html