Besides, the function entities together with system interfaces are introduced, which is to interwork with the current network element.

另外，也介绍了网络需要引入特定的功能实体及系统接口，从而实现与基础网元的组网。

youdao

Besides, the function entities together with system interfaces are introduced, which is to interwork with the current network element.

另外，也介绍了网络需要引入特定的功能实体及系统接口，从而实现与基础网元的组网。

youdao