Warning: file_put_contents(): Only 0 of 4845 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/5256789.com/index.php on line 55 Marisat例句_Marisat英汉例句_Marisat双解例句_绿查网谷歌词典
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。