“polynomial hierarchy”的概念、定义、翻译、参考文献-科学参考

单词	polynomial hierarchy
释义	polynomial hierarchy Encyclopedia 理学时间复杂性类释 polynomial hierarchy; PH多项式谱系PH 对非确定多项式时间NP类的推广。
随便看	employment security system employment service employment service pattern employment staff employment system for university and college graduates employment welfare employment with certificates empower empowerment empowerment and communication empowerment evaluation empowerment of relation empowerment skills acquired Empowerment Women Empress Deng Empress Dowager Chengtian Empress Dowager Feng Empress Dowager Gao Empress Dowager Hu Empress Dowager Liang Empress Dowager Liu Empress Dowager Lou Zhaojun Empress Dowager Luo Empress dowager Mozang Empress Dowager Xiaochun

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。