It can be information transparent transfer of the Internet, it may be subnet border delimitation.

它可以将信息透明地子网上进行传递，它可由子网边界定界。

youdao

It can be information transparent transfer of the Internet, it may be subnet border delimitation.

它可以将信息透明地子网上进行传递，它可由子网边界定界。

youdao