为了保障主动网络安全，我们需要两个基本服务，即认证和授权。

In order to secure active networks, we need two basic services: authentication and authorization.

youdao

为了保障主动网络安全，我们需要两个基本服务，即认证和授权。

In order to secure active networks, we need two basic services: authentication and authorization.

youdao