“fifteen Puzzle”的概念、定义、翻译、参考文献-科学参考

单词	fifteen Puzzle
释义	fifteen Puzzle Mathematics fifteen Puzzle中国十五难题
随便看	EPD EPDM epeiric sea epeirogenesis ependyma ependymal cell epenthesis e-perfect number Ep galaxy E.P.Grebenka ephapse ephaptic transmission E-pH diagram ephedra ephedra family ephedra root ephedrine ephemeral ephemeral active region ephemeral plant ephemeral range ephemeral region ephemerides ephemeris ephemeris astronomy

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。