 | | | | | | |  |  |  | | UDP | User Datagram Protocol | 用户数据报协议 | | UDT | Uniform Data Transfer | 一致性数据传输 | | UMA | Upper Memory Area | 上位内存区 | | UMB | Upper Memory Block | 上位内存快 | | UPS | Uninterruptible Power Supply | 不间断电源 | | URL | Uniform (Universal) Resource Locator | 资源统一定位符 | | USB | Universal Serial Bus | 通用串行总线 | | UUCP | UNIX-to-UNIX CoPy | UNIX到UNIX的复制 | | | | | | | | |
