“分别比估计”的概念、定义、翻译、参考文献-科学参考

单词	分别比估计
释义	分别比估计 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	space nuclear reactor power space nuclear technology space nutrition space nutrition discipline space object surveillance satellite space observation space observatory space of analytic functions space of bounded curvature space of closed paths space of coefficients space of compact type space of connectivity k space of constant curvature space of continuous functions space of continuous mappings space of decision functions space of decisions space of differentiable functions space of distributions space of elementary events space of embeddings space of events space of functionals space of functions

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。