相对于广域网而言。指一个地区或一个单位内部的计算机网络【信】local area network; LAN

• 外资银行进入中国后，在一定时间内不可能，也没有必要建立众多的机构和强大的网络，而只能是局域网。

  After foreign banks enter China, for a certain period of time it is not possible- indeed, there is no need- to establish a large number of organizations and a strong network; it can only be a local area network.

• 他们在局域网、“郑铁在线”上转发孙奇的先进事迹。

  They shared Sun Qi's advanced exploits on the LAN and on "Zhengzhou Rail Online"