ultrabookn.超极本ultraadj.超；过激的；极端的n.过激论者；急进论者ultra high production spring wheat超高产春小麦ultra-precision CNC machine tool超精密数控机床ultra-low electrical consumption超低电耗ultra-low-dose heparin therapy超小剂量肝素疗法ultra - hypothermia preservation超低温保存ultrastructural pathological study超微病理学研究ultrasensitive amino acid analyzer超灵敏氨基酸分析仪Ultrafine ground calcium carbonate超细重质碳酸钙Ultra-short mid-infrared laser超短中红外激光ultra-short interval measurement超短时间间隔测量