“separate ratio estimator”的概念、定义、翻译、参考文献-科学参考

单词	separate ratio estimator
释义	separate ratio estimator Encyclopedia 理学数据收集模式释 separate ratio estimator分别比估计分层随机样本下，对每层样本分别运用比率估计量，然后对各层的比率估计量进行加权平均得到的估计量。
随便看	nonsingular linear transformation nonsingular mapping non singular matrix non-singular matrix nonsingular matrix nonsingular model nonsingular operator nonsingular perspectivity nonsingular point nonsingular projective transformation non singular quadratic form non-singular quadratic form nonsingular quadratic form non singular real algebraic variety non-singular real algebraic variety nonsingular real algebraic variety nonsingular solution nonsingular space nonsingular spacetime nonsingular stochastic process nonsingular surface nonsingular system non singular transformation non-singular transformation nonsingular transformation

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。