短语词组短語ultraviolet absorption spectrograph 紫外吸收光譜法extreme ultraviolet spectrograph 極遠紫外攝譜儀far -ultraviolet spectrograph 遠紫外光攝譜儀rocket -borne ultraviolet spectrograph 火箭攜帶的紫外攝譜儀 返回 ultraviolet spectrograph