“对称设计”的概念、定义、翻译、参考文献-科学参考

单词	对称设计
释义	对称设计 Encyclopedia 理学组合设计释 symmetric block design对称设计参数为-设计是一个序偶，式中是元集合，是的个子集（区组）构成的集合，满足包含的区组恰有个，的任意点对恰被包含在个区组中。此设计又称平衡不完全区组设计，简记为。当（或）的BIBD设计，简称对称设计，记为。 Mathematics symmetric design对称设计
随便看	steel bar processing machinery and prestressed machinery steel-bars truss deck steel bar truss molding machine steel beam steel beam for emergency repair of railway steel-belt sorter steel bonded cemented carbide steel braced frame steel braced frame structure system steel bridge steel bridge erection steel bridge fabrication steel building structure steel butt welding machine steel cable steel cage forming machine steel catenary riser steel catenary riser ，SCR steel column steel-concrete composite beam steel-concrete composite structure steel-concrete composite track beam steel connections in timber structures steel content steel cord for radial tyre

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。