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Network Time Protocol - Wikipedia
on Twitter: "NPL's NTP servers are stratum 1, which means they are directly sync'd with a reference clock.(Likely something from https://t.co/AgHiT9WjnC ) NIC's NTP servers are stratum 2 servers which means
Network Time Protocol - Wikipedia
Microduino ENC Network (12)——Use NTP get Internet time - Microduino Wiki
Network Time Protocol - Wikipedia
Network Time Protocol - Wikipedia
Ubuntu 使用NTP 校準時間- Stephen Chen - Medium
En/3.5/Time synchronization service (NTP) - Zentyal Linux Small Business Server
NTP Network Time Protocol What is NTP and to what extent is it currently useful for Video Occultation Observations? By Dave Gault Presented to 8 th Trans-Tasman. - ppt download