ultraismn.激进论;极端主义
ultraadj.超;过激的;极端的n.过激论者;急进论者
ultrasound placenta images胎盘超声图像
ultra -front relief valve超前排气
Ultra-low repetition rate超低频
ultrasound aided extraction超声提取
Ultrashort pulse technology超短脉冲技术
ultrashort wave transmitter超短波发射机
ultrasound Doppler's method
ultra-low-melting alloy超低熔合金
ultra-high speed sampling超高速采样
ultrahigh frequency antenna特高频天线