PING www.sensm.cn (121.199.78.142) 56(84) bytes of data.
64 bytes from 121.199.78.142 (121.199.78.142): icmp_seq=1 ttl=116 time=218 ms
64 bytes from 121.199.78.142 (121.199.78.142): icmp_seq=2 ttl=116 time=217 ms
64 bytes from 121.199.78.142 (121.199.78.142): icmp_seq=3 ttl=116 time=217 ms

--- www.sensm.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 217.336/217.666/218.201/0.539 ms