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
- petaloid nebula with a sunken center
- petangue court
- Petar Beron
- petasma
- Petchara Chaowarat
- Peter
- Peter Abelard
- Peter Agre
- Peter Albert David Singer
- Peter Alexandrovich Pletnev
- Peter and Paul Fortress
- Peter Andreas Hansen
- Peter Andreas Heiberg
- Peter Andreevich Vyazemsky
- Peter Barnes
- Peter Behrens
- Peter Bell
- Peter Bell the Third
- Peter Berngardovich Struve
- Peter Bodunrin
- Peter Bogdanovich
- Peter Brian Medawar
- Peter Brook
- Peter Carey
- Peter C. Doherty