ultrabookn.超极本ultraadj.超；过激的；极端的n.过激论者；急进论者Ultrahigh-pressure metamorphism超高压变质作用ultra- pure hydrocarbon solvent超纯烃溶剂ultra high pressure sterilization超高压杀菌ultra-high hydrostatic pressure超高静压ultra-high frequency correlator超高频相关器ultrasonography in urinary system超声在泌尿系统的应用ultra-high temperature ceramics超高温陶瓷ultra-lightweight plastic brace超轻型塑料支具ultra - fine powder attapulgite超细凹土Ultra Document To Text Convert.批量转换为文本。