vll
- 网络虚拟租用专线(Virtual Leased Lines)；租用线
vllvll
虚拟租用专线(Virtual Leased Lines)
VPN可划分为:VLL(Virtual Leased Lines)、VPDN(Virtual Private Dial Networks)、VPRN(Virtual Private Routed Networks...VPD…
租用线
（2）虚拟租用线（VLL）：这是对传统的租用线业务的仿真，用IP网络对租用线进行模拟，而从两端的用户看来这样一条虚拟 …
1
but this principle shall not prejudice the application of enforcement measures under Chapter Vll.
但此项原则不妨碍第七章内执行办法之适用。
2
He is taking part in a show called Vll International Festival of Fashion and Beauty "Chrystal Angel" in Kiev.
他正在基辅参加一个比赛，一个被命名为“水晶天使”的国际时尚比赛。
3
Application of VLL to obtaining the elevation of constructions
VLL方法在自动获取建筑物高程中的应用