PING www.smf.cn (36.255.193.88) 56(84) bytes of data.
64 bytes from 36.255.193.88: icmp_seq=1 ttl=47 time=270 ms
64 bytes from 36.255.193.88: icmp_seq=2 ttl=47 time=268 ms
64 bytes from 36.255.193.88: icmp_seq=3 ttl=47 time=268 ms

--- www.smf.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 268.644/269.442/270.979/1.166 ms