LAN individual address

例句：

1. 1. The LAN is connected to the internet through a router.
   局域网通过路由器连接到互联网。
2. 2. The LAN has a fixed IP address for each computer.
   局域网为每台计算机分配了一个固定的IP地址。
3. 3. The LAN is used for local communication within the organization.
   局域网用于组织内部的本地通信。