PING www.hzwd.cn (117.34.91.87) 56(84) bytes of data.
64 bytes from 117.34.91.87: icmp_seq=1 ttl=55 time=299 ms
64 bytes from 117.34.91.87: icmp_seq=2 ttl=55 time=297 ms
64 bytes from 117.34.91.87: icmp_seq=3 ttl=55 time=297 ms

--- www.hzwd.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 297.221/298.368/299.978/1.172 ms