网络与数据通信 协议体系与组成结构 释文 network information center, NIC 网络信息中心
- utriculus
- Utro nad Rodinata
- UTS
- uttara
- Uttarakhand Pradesh
- Uttar Pradesh
- U tube
- U-tube
- U-tube capillary pycnometer
- U-tube draught gauge
- U-tube hydrometer
- U-tube manometer
- Utusan Malaysia
- Utuy Tatang Sontani
- UTV
- U type pressure gauge
- U-type tube manometer
- UU Her star
- Uu interface monitoring instrument
- Uuno Kailas
- UUV control technology
- UUV location and navigation
- UV
- Uva Rebellion
- uvaser