PPTP
美 [ˌpi pi ti ˈpi]英 [ˌpiː piː tiː ˈpiː]
- 网络点对点隧道协议(Point to Point Tunneling Protocol);点到点隧道协议;点对点通道协议

PPTP
1.point-to-point tunneling protocol: a method of sending information between computers on a public network so that only the people intended to see the information can see it
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