理学 决策树学习 释 pruning 剪枝 在树（或其他结构）上搜索时把那些已证明不是解的节点一整支地剪去，以减小（指数地减少）搜索范围。
理论计算机科学 可计算性与计算复杂性 释文 pruning 剪枝
- Public Fields Law
- public finance
- public fire fighting facilities
- Public Garden
- public geographical education
- public geographic information system
- public geological survey and evaluation
- public good
- public goods
- public goods in environmental protection
- public governance
- Public Governance Theory
- public grazing land
- public hall
- Public Health Act（1875）
- public health care system
- public health emergency
- public health laboratory sciences
- Public Health Management
- public health nutrition
- public health protection
- Public health service system
- public health surveillance
- public health system
- public history