“分层随机”的概念、定义、翻译、参考文献-科学参考

单词	分层随机
释义	分层随机 Encyclopedia 医学随机化释 Stratified randomization分层随机在进行随机分配前，先按研究对象的特征进行分层。
随便看	structural modeling structural models structural model verification structural modification structuralmodification structural modification of carbohydrate drug structural morphism structural motif structural operational semantics structural oriented social work structural outline drawing structural parameter structural parameters of internal combustion engine structural parameters of knitted fabric structural pattern structural pattern recognition structural performance evaluation structural performance retention of civil engineering structural perturbation approach structural phase transition structural planning structural promoter structural property structural proteomics structural psychology

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。