同义词
1)VNS Virtual Network Server,虚拟网络服务器2)virtual private network server,虚拟专用网络服务器3)virtual networking service,虚拟网络服务4)virtual value-added service,网络虚拟增值服务5)NVTS Network Virtual Terminal Service,网络虚拟终端服务6)VTNS Virtual Telecommunications Network Service,虚拟电信网络服务
