面对日益增多的重要重大活动，如何做好重要活动的通信保障工作是电信运营商必须要重视的重大课题之一。

Because of a growing number of important major events, it is a very important work to provide telecom support and guarantee.

youdao

面对日益增多的重要重大活动，如何做好重要活动的通信保障工作是电信运营商必须要重视的重大课题之一。

Because of a growing number of important major events, it is a very important work to provide telecom support and guarantee.

youdao