PING ee.sjtu.edu.cn (202.120.35.145) 56(84) bytes of data.
64 bytes from 202.120.35.145 (202.120.35.145): icmp_seq=1 ttl=240 time=329 ms
64 bytes from 202.120.35.145 (202.120.35.145): icmp_seq=2 ttl=240 time=328 ms
64 bytes from 202.120.35.145 (202.120.35.145): icmp_seq=3 ttl=240 time=328 ms

--- ee.sjtu.edu.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2205ms
rtt min/avg/max/mdev = 328.412/328.877/329.365/0.389 ms