“联合比估计”的概念、定义、翻译、参考文献-科学参考

单词	联合比估计
释义	联合比估计 Encyclopedia 理学数据收集模式释 combined ratio estimator联合比估计分层随机样本下，分别计算出目标变量与辅助变量的总体特征的分层估计量，然后用对应的分层估计量来构造比率估计所得的估计量。
随便看	urban heterogeneity urban high voltage corridor greenbelt Urban History urban history urban household registration urban housing economy urban hydrology Urbanik urban industrial agglomeration urban industrial park urban industrial structure urban industrial zone urban infrastructure urban inner transportation hub planning urban innovation of china urban integrated public information platform urban integrated transportation system planning urban integration development urban intelligent transportation urban internal structure urbanism urbanity urbanization urbanization economies urbanization economy

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。