“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	indeterminism index index adjustment mechanism of pension insurance Index and Indexing Method index arm indexation index-based weather insurance index breeding index calculus index-calculus Index Catalogue of Nebulae and Clusters of Stars index class index comparison method index control of land for the construction of industrial projects index correction index diagram indexed indexed algebraic system indexed family indexed function indexed grammar indexed plan indexed set indexed set of elements indexed system of sets

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。