Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/157125303cc29bef8c532dc77c048978.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 Marisat例句_Marisat英汉例句_Marisat双解例句_沉淀汉英词典
Mobile satellite communications began in 1976 with the launch by COMSAT of MARISAT satellites to provide communications to ships at sea. 移动卫星通讯始于1976年由海洋卫星公司的通讯卫星来为海上的船只提供通信。