“Treaties between Beja and Egypt”的概念、定义、翻译、参考文献-科学参考

单词	Treaties between Beja and Egypt
释义	Treaties between Beja and Egypt Encyclopedia 历史学苏丹历史释 Treaties between Beja and Egypt《比贾-埃及条约》苏丹比贾游牧部落和埃及穆斯林当局于831年签订的有关缴纳贡奉的条约。
随便看	join of projective spaces join of sets join of simplexes join of spaces join of topological groups join of topological spaces join operation join operator join optimization join point join-preserving homomorphism join-preserving mapping join-reducible element join representation join semi-lattice join-stable joint joint action joint action effect joint action of chemicals joint action of toxicant joint analysis joint application development Joint Astronomy Centre joint attention

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。