variable measurement
... Variable inspection 计量检验 Variable measurement 计量测定值 Variable sampling 计量抽样 ...
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目的：比较用于处理包含未检出值的痕量测定数据的次序统计量回归方法与经典替换方法的估计效果。
Objective: the purpose of this study was to compare the performance of regression on order statistics(ROS) and substitution methods in estimation of nondetects.
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