文学 形式语言 释 top-down parsing 自顶向下剖析 从句子符号S开始，使用语法规则自顶向下地搜索出剖析目标的句法剖析。
人工智能 计算语言学 释文 top-down parsing 自顶向下句法分析
- hazard
- hazard analysis and critical control point (HACCP) system
- hazard analysis and critical control points
- hazard and operability analysis expert system
- hazard and operability study
- hazard chain
- hazard function
- hazard identification
- hazard identifications
- hazard model
- hazard of nanotechnology
- hazardous air pollutant
- hazardous cargo automatic inspection
- hazardous chemical
- hazardous chemical accident rescue
- hazardous chemical category
- hazardous chemical emergency rescue team
- hazardous chemical lifecycle
- hazardous chemicals
- hazardous chemicals accident
- hazardous chemicals and logistics management
- hazardous chemicals emergency recovery
- hazardous chemicals explosion
- hazardous chemicals leakage
- hazardous chemicals liable to produce explosives