“Envelop randomization”的概念、定义、翻译、参考文献-科学参考

单词	Envelop randomization
释义	Envelop randomization Encyclopedia 医学随机化释 Envelop randomization信封随机信封随机是在临床试验中，随机程序编好后，使用盲法信封进行方案隐藏，每个研究对象所接受的治疗方案完全由随机函数生成的随机编号所决定。
随便看	countability axiom countable countable additive family countable additivity countable additivity probability axiom countable antichain condition countable base countable cardinality countable chain condition countable compactness countable covering countable degree countable dimension countable-dimensional countable distributivity countable-finite game countable Hilbert space countable infinity countable Lebesgue spectrum countable model countable ordinal number countable potency countable product countable semiadditivity countable set

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。