“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	resource consumption management Resource Consumption of Pollutant Treatment resource coordinate scheduling resource crisis resource crisis management resource curse resource curse hypothesis resource curse thesis resource dependence Resource Dependence Theory resource depletion Resource Description and Access，RDA resource description framework resource description framework data management resource description framework, RDF resource development resource development and utilization management resource development benefits resource development early warning resource development elements resource development investment resource development risk control resource development risk management resource development risk retention resource discovery

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。