Unix系统服务：Unix System Service
uPSD3251：uPSD3251
USB采音摄像头：USB video-audio camera
UML/OOPN：UML/OOPN
USB安全钥芯片：Chip of USB Security Key
UPnP QoS：UPnP QoS
UML-OOPN：UML-OOPN
USSD业务平台：USSD service platform
uC/GUI移植：uC/GUI transplanted
UNIX消息队列：UNIX message queue
USSD无线通信：USSD wireless communication
UVSSNLMS：UVSSNLMS
USB 功率开关：USB power switch
USB 通信协议：USB communication protocol
UCD_SNMP：UCD_SNMP
USB1.1协议：USB1.1 protocol
USB GPIB：USB GPIB
UHF-RFID：UHF RFID
UHF多协议兼容：UHF multi-protocols compatibility
UOS Flow：UOS Flow
UseCase法：use case
USB主端控制器：USB Host Controller
UCAV/UTA：UCAV/UTA
UPVC螺旋管道：UPVC helical tube
UNCITRAL：UNCIRTAL
UltraKey：Sketch Up
us/OS II：uC/OS II
USGA差点系统：USGA Handicap System
USB2·0技术：technolgy of USB2.0
U.Parvum：U. Parvum
UNESCO公式：UNESCO Formular
UASG-TNA：UASG-TNA
Usher综合征：Usher syndrome
U937组织细胞：Jurkat T cell
UPFC动态模型：UPFC Dynamic Model
Usher综合症：Usher syndrome
UHMWPE织物：UHMWPE fabrics
UASB 反应器：UASB reactor
UCC3818A：UCC3818A
Usher 算法：Usher algorithm
UL~*逻辑系统：UL~*-system
USX型废热锅炉：USX waste heat boiler
U形苯胺点测定管：U-tube apparatus
U形密封圈[液]：double cup
U型[扩散信号]：U-mode
U型密封圈[液]：U-cup
UO_2~（2+）：UO_2~(2+)
UGNX2.0软件：UG NX2.0 software
Ullmann反应：ullmann reaction
UNITANK工艺：UNITANK process