ultrabookn.超极本ultraadj.超；过激的；极端的n.过激论者；急进论者ultra-length concrete structure超长混凝土结构ultra-high frequency oscillator超高频振荡器Ultra cruel earphone special area各式超酷耳机专区ultrashort and ultraintense laser超短超强激光ultra-long electromagnetic wave超长波ultralow electrode wear machining超低损耗加工ultrahigh strength aluninum alloy超高强铝合金ultrasensitive C reactive protein超敏C反应蛋白Ultra High Speed Injection Machineultra-low temperature thermistor超低温热敏电阻器