单线程下载80K/s 三线程下载220K/s

Pinging 211.161.46.196 with 32 bytes of data:

Reply from 211.161.46.196: bytes=32 time=80ms TTL=43
Reply from 211.161.46.196: bytes=32 time=66ms TTL=43
Reply from 211.161.46.196: bytes=32 time=81ms TTL=43
Reply from 211.161.46.196: bytes=32 time=71ms TTL=43

Ping statistics for 211.161.46.196:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 66ms, Maximum = 81ms, Average = 74ms