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

单词	combined ratio estimator
释义	combined ratio estimator Encyclopedia 理学数据收集模式释 combined ratio estimator联合比估计分层随机样本下，分别计算出目标变量与辅助变量的总体特征的分层估计量，然后用对应的分层估计量来构造比率估计所得的估计量。
随便看	landscape design of bridge landscape distance index landscape diversity landscape diversity index landscape diversity of scenic regions landscape division index landscape dominance landscape drainage system landscape driving force Landscape dynamic landscape ecological aesthetic evaluation landscape ecological assessment landscape ecological design landscape ecological engineering landscape ecological health assessment landscape ecological management landscape ecological planning landscape ecological process landscape ecological protection area landscape ecological restoration landscape ecological risk landscape ecological security assessment landscape ecology landscape ecosystem landscape element orginazition

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