ultraweak超微弱发光ultraadj.超；过激的；极端的n.过激论者；急进论者ultra- supercritical turbine超超临界汽轮机ultra-high strength filament超高强度长丝ultrasonographic investigation超声检查Ultra-high speed photography超高速摄影ultra-wideband impulse radio超宽带脉冲无线电ultra -low power consumption超微功耗Ultra - supercritical Boiler超超临界锅炉Ultra high pressure processing超高压ultra-narrow bandpass filter窄带滤波器ultrafine powder of grape seed葡萄籽超微粉