“多项式谱系PH”的概念、定义、翻译、参考文献-科学参考

单词	多项式谱系PH
释义	多项式谱系PH 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	elementary disjunction elementary divisor elementary divisor theorem elementary domain elementary education elementary electric charge elementary embedding elementary equivalence elementary equivalent elementary error elementary event elementary event space Elementary Examination elementary excitation elementary excitation in solid elementary excitation of electron lattice coupling system elementary excitation of electron-lattice coupling system elementary excitations in solids elementary excitation spectrum elementary excitation spectrum of liquid elementary exitation of electron-lattice coupling system elementary extension elementary factor elementary factor ideal elementary filter

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。