ultralown.超低
ultraadj.超;过激的;极端的n.过激论者;急进论者
ultra-high frequency极高频
ultrasound lithotripsy超声碎石
ultra-hard materials超硬材料
Ultralow rectal cancer超低位直肠癌
ultra super-critical超超临界
ultra-wideband pulse超宽带脉冲
ultra-precision gear超精密齿轮
ultrasound attenuation衰减
ultra-wide bandwidth超宽带
ultra-large H-beam