“PH”的概念、定义、翻译、参考文献-科学参考

单词	PH
释义	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	turbodynamo turbo equalization turbo-expanded gas refrigeration cycle turbofan engine turbo generator turbogenerator capability diagram turbogenerator control system turbogenerator maximum capacity turbogenerator rated power turbo-jet turbo-jet drive turbojet engine Turbomachinery Technical Conference & Exposition turbomolecular turbo molecular pump turbomolecular pump turbopause turbopropengine turboprop screw reverse thrust system turbo pump turbopump-fed liquid rocket engine turboshaftengine turboshaft engine reduction gearbox turbosphere turbot

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。