By read-write speed, U-disk carrying out USB interface criterion enjoys popularity, speed of which is much higher than floppy disk.
从读写速度来说，U盘采用USB接口标准广受欢迎，读写速度比软盘快的多。
2
According to the trend of digital network, the "U" interface technology of ISDN and ADPCM technology is adopted.
配合数字化网络趋势，该系统采用了ISDN的“U”接口传输技术和ADPCM编译码技术。
3
Electricity control system adopts PMAC from U. S. a and man-machine interface. It realizes high stable performance, real-time detection of whole machine, prompt adjustment and operation.