“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	programmed death-1 programmed death ligand 1 programmed flow programmed instruction programmed pressure programmed teaching machine programmed temperature programmed temperature sampling programmed temperature vaporizer programmed temperature vaporizer (PTV) programmed voltage Programme for Infrastructure Development in Africa Programme for International Student Assessment programme for international student assessment Programme of Action for Hydro-biotic Resources Conservation of China Programme of European Vegetation Survey programmer programming programming by nutrition programming environment programming for numerically controlled machine tool programming language programming languages for programmable controllers programming methodology programming theory

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。