Ultrafme超细ultraadj.超；过激的；极端的n.过激论者；急进论者ultra-micro camera超微型照相机ultra - thin films超薄膜片ultra deep submicron超深亚微米ultra frequency data超高频数据ultra-low humidity超低湿ultra- fine powder超细粉ultrashort afterglow超短余辉ultra wide bandwidth超宽带（UWB）Ultravidet detectors紫外探测器ultra micro titrator超微滴定器