“Allocation concealment”的概念、定义、翻译、参考文献-科学参考

单词	Allocation concealment
释义	Allocation concealment Encyclopedia 医学随机化释 Allocation concealment分配隐藏在临床试验过程中，采用一定的方法对研究对象进行分组，使医师（研究者）和患者自己（研究对象）都不知道试验组或对照组的分配情况。
随便看	quadratic expression quadratic extension quadratic extension field quadratic factoring method quadratic field quadratic field extension quadratic form quadratic form of a knot quadratic form of a link quadratic form of a quiver quadratic form over a vector space quadratic form rank quadratic form signature quadratic forms of same type quadratic formula quadratic function quadratic functional quadratic group quadratic hypersurface quadratic ideal quadratic inequality quadratic inequality constrained least squares problem quadratic inequality constrained least-squares problem quadratic integrability quadratic integral

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