“生灭瓮子模型”的概念、定义、翻译、参考文献-科学参考

单词	生灭瓮子模型
释义	生灭瓮子模型 Encyclopedia 理学临床试验的自适应性设计释 birth and death urn model生灭瓮子模型临床试验中一种自适应的序贯随机分配病人的方法（自适应设计或自适应随机化）。
随便看	Barremian Stage barren cropping bar resolution barretter Barrett esophagus barrier barrier capacitance barrier coastal coal-accumulating environment barrier coastal coal-accumulating model barrier cone barrier distribution barrier environment barrier film barrier-free computer technology barrier-free design barrier free reconstruction of historical and cultural relics protection buildings barrier function barrier function method barrier iceberg barrier island barrier island system barrier lake barrier layer barrierless reation barrier methods

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。