国际移动卫星通信系统为用户提供广泛的和日益增加的语音频带数据和传真业务。

The Inmarst system offers the user a large and growing range of voice band data and facsimile services.

youdao

国际移动卫星通信系统为用户提供广泛的和日益增加的语音频带数据和传真业务。

The Inmarst system offers the user a large and growing range of voice band data and facsimile services.

youdao