metropolitan area network

• 城域网

metropolitan area network的用法和样例：

例句

1. Gigabit Ethernet is already a player in MANs, but whether it can parlay success in that area into success in the WAN is still to be determined.
   千兆位以太网已是城域网的一种可选技术，但它能否将城域网中的成功变成广域网中的成功，仍未有定论。