“混杂及其控制”的概念、定义、翻译、参考文献-科学参考

单词	混杂及其控制
释义	混杂及其控制 Encyclopedia 医学流行病学研究的统计学设计释 confounding and its control混杂及其控制在医学研究中，若存在一个或多个既与研究因素有关，又与观察结局有关的非研究因素，会掩盖或扩大研究因素与观察结局之间的联系，这种影响称之为混杂。这些非研究因素称为混杂因素。
随便看	approximation by least squares approximation by linear operators approximation by operators approximation by periodic transformations approximation by polynomials approximation by rational functions approximation by series approximation by splines approximation error approximation formula approximation function approximation in quadratic norm approximation in the mean approximation in the quadratic mean approximation method approximation of an equation approximation of an operator approximation of a solution approximation of effective medium approximation order approximation polynomial approximation problem approximation process approximation property approximation scheme

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。