PING www.cnshu.cn (122.10.18.74) 56(84) bytes of data.
64 bytes from 122.10.18.74: icmp_seq=1 ttl=55 time=200 ms
64 bytes from 122.10.18.74: icmp_seq=2 ttl=55 time=198 ms
64 bytes from 122.10.18.74: icmp_seq=3 ttl=55 time=198 ms

--- www.cnshu.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 3480ms
rtt min/avg/max/mdev = 198.732/199.440/200.696/0.962 ms