“combined regression estimator”的概念、定义、翻译、参考文献-科学参考

单词	combined regression estimator
释义	combined regression estimator Encyclopedia 理学数据收集模式释 combined regression estimator联合回归估计对于分层随机抽样，先按分层简单估计得目标变量与辅助变量的分层估计量，再用对应的分层估计量来构造回归估计量的估计方法。
随便看	nitrogen-free extracts nitrogen in coal nitrogen inversion Nitrogen isotope Geochemistry Nitrogen loss from body surface nitrogen metabolism nitrogen mineralization nitrogen monoxide nitrogen monoxide synthase nitrogen monoxide synthase (NOS) nitrogen narcosis nitrogen nutrition in plant nitrogenous hormone nitrogenous oxygen demand nitrogenous substances nitrogen oxide nitrogen oxide analyzer nitrogen-oxide analyzer Nitrogen Oxide Cycles Nitrogen oxide gas nitrogen oxide monitoring in ambient air nitrogen oxides nitrogen oxides decomposition catalyst nitrogen oxides pollution nitrogen oxides sensors

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。