短语词组短語Ultra -broadband via Satellite 衛星超寬帶研究報告ultra -broadband and very-broadband seismometer 超寬頻帶與甚寬頻帶地震計miniaturized ultra -broadband antenna 小型化超寬帶天線Broadband Ultra -Short Pulse Laser 寬頻帶超短脈沖激光 返回 ultra-broadband