Warning: file_put_contents(): Only 0 of 7252 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55 Marisat例句_Marisat英汉例句_Marisat双解例句_开心英文字典_柠咚词
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。