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
- hierarchical data format
- hierarchical data model
- hierarchical data visualization
- hierarchical decision
- Hierarchical diagnosis and treatment management
- Hierarchical Dirichlet Processes
- hierarchical distributed control system
- hierarchical file system
- hierarchical game
- hierarchical intelligent control
- hierarchical linear model
- hierarchical management
- hierarchical merging
- hierarchical mobile IPv6
- hierarchical mobile IPv6, HMIPv6
- hierarchical model
- hierarchical modeling
- Hierarchical/multilevel optimization
- hierarchical nanostructure
- Hierarchical Network Model
- Hierarchical Network of Concept
- hierarchical notation
- hierarchical occlusion map algorithm
- hierarchical optimization for material design
- hierarchical order in the clan