“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	automatic pick finder automatic picking system Automatic Plate Measuring galaxy catalogue automatic plate-measuring machine automatic plug mill automatic pocket sewing machine automatic pocket welting machine automatic potentiometric titrator automatic premium loan provision automatic production line automatic programming automatic protective device automatic rate-adjustment mechanisms automatic reasoning automatic recording systems of red light cameras automatic reeling automatic reeling machine Automatic Reel-Splicing Device automatic regulation automatic regulation principle automatic regulatory systems automatic repeat query，ARQ automatic repeat request automatic repeat request, ARQ automatic result verification

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。