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
- empty-boxes test
- Empty Category Principle
- empty chair technique
- empty class
- empty clause
- empty concept
- empty container management
- empty core pseudopotential
- empty-core pseudopotential
- empty curved
- empty event
- empty field myopia
- empty graph
- empty hole trap
- empty individual account of endowment insurance
- empty lattice approximation
- empty magnification
- empty mapping
- empty model
- emptyness
- empty nest family
- empty niche hypothesis
- empty niche in the invaded range
- empty pain
- empty place in the shell