计算机应用 信息系统与信息化 释文 Web information extraction, Web IE 万维网信息提取
- URSI
- Ursid meteor shower
- Ursids
- ursodeoxycholic acid
- ursodiol
- ursolic acid
- Ursula K. Le Guin
- Ursus
- URT
- urticaria
- urticaria papulosa
- urticating caterpillar
- urticating hair
- urtite
- Uruapan
- Urucum Mn deposit
- Uruguay
- Uruguayan Drama
- Uruguayan music
- Uruguay, cinema in
- Uruguay Film Academy
- Uruguay private international law
- Uruguay River
- Uruguay Round negotiations on agriculture
- Uruk Culture