“置换块设计”的概念、定义、翻译、参考文献-科学参考

单词	置换块设计
释义	置换块设计 Encyclopedia 理学临床试验的自适应性设计释 permuted block design置换块设计临床试验设计中用来平衡接受处理和对照组中人数的一种随机化分配处理与对照的方法。
随便看	timelike timelike curve time like direction time-like direction timelike event time-like form factor timelike hyperplane timelike hypersurface timelike infinity timelike interval timelike line timelike linear element timelike path timelike region timelike separation timelike space timelike space-time interval timelike surface timelike surface element timelike vector time-limited Time-limited express delivery time-limited grazing Timeliness timely harvest

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。