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PING www.ustc.org (185.53.178.52) 56(84) bytes of data. 64 bytes from 185.53.178.52 (185.53.178.52): icmp_seq=1 ttl=55 time=16.7 ms 64 bytes from 185.53.178.52 (185.53.178.52): icmp_seq=2 ttl=55 time=16.7 ms 64 bytes from 185.53.178.52 (185.53.178.52): icmp_seq=3 ttl=55 time=16.7 ms --- www.ustc.org ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2000ms rtt min/avg/max/mdev = 16.702/16.733/16.771/0.152 ms |