“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	fish-eye fisheye fish-eye camera fish-eye lins fisheye menu fish-eye of Maxwell fish-eye perspective fish farming vessel fish fecundity fish feeding fish feeding intensity fish feeding migration fish feeding rhythms fish fillets fish finder fishfinder fish food coefficient fish freshness inspection fish friendly hydroturbine fish fullness fish galvanotaxis fish genital gland indices fishgrading machine fish graph fish growth equation

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。