tunneling

1.Windows Meeting Space uses Windows Vista's support for Teredo tunneling to allow IPv4 connections over the Internet.

使者可以加入一个别人建的会议，或者是自己建一个会议并邀请别人加入。

2.Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在铁工程中，常采盾构法修建正交下穿隧道，新隧道的掘进不可避免有隧道产生影响。

3.The tristable resonant tunneling devices(RTD)with a double negative differential resistance in its I-V characteristics have a high current ratio(5.2∶1)of peak to valley at room-temperature.

在I-V特性曲线上具有双微分负阻的三稳态共振隧穿器件,室温下可以达到较高的电流峰谷比5.2∶1。