“separate ratio estimator”的概念、定义、翻译、参考文献-科学参考

单词	separate ratio estimator
释义	separate ratio estimator 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	mechanical maintainability mechanical mass mechanical materialism mechanical-materialist view of nature mechanical measurement by Raman spectrum mechanical metallurgy mechanical mobility mechanical model for musculoskeletal system mechanical models of fatigue crack growth mechanical motion mechanical mouse mechanical noise mechanical oil recovery safety mechanical origin type of fracture mechanical oscillation mechanical parameter measurement mechanical parking equipment mechanical parts design mechanical perturbation mechanical postage meter mechanical press mechanical pressure gauge carrier mechanical product design mechanical properties mechanical properties of biological soft tissue

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。