文学 字符 释 sign 记号 与文字所记录的词在读音及意义上都没有联系的字符。
notation 记号，记法 symbol 符号，记号 token 标记，记号
notation 记法；记号 sign 记号，符号，正负号 token 记号
系统软件 语言与编译 释文 token 记号
- Uruguay, cinema in
- Uruguay Film Academy
- Uruguay private international law
- Uruguay River
- Uruguay Round negotiations on agriculture
- Uruk Culture
- Urumqi
- Urumqi-Changji Integration Area
- Urumqi Confucian Temple）
- Urumqi Metropolitan Area
- Urumqi Mountain Hongshan park
- Urumqi Museum（Memorial Hall of the 8th Route Army General Office in Xinjiang
- Urumqi Qu
- Urumqi Renmin Park
- Urumqi Shi
- Urwind
- Urysohn
- Urysohn-Brouwer lemma
- Urysohn closed space
- Urysohn equation
- Urysohn function
- Urysohn lemma
- Urysohn metrization theorem
- Urysohn operator
- Urysohn separation axiom