请输入您要查询的英文单词:
单词
quota sample
释义
quota sample
简明释义
配额抽样:一种抽样方法,根据研究对象的某些特征将总体分为若干类别,然后从每个类别中按一定比例抽取样本。
专业释义
1
数学
定额样本
配额样本
2
计算机科学技术
定额样本
双语例句
1
Methods: the
sample
, after the nitric acid and the perchloric acid digestion was induced in the flame atom absorption spectrophotometer with standard series comparison
quota
.
方法:样品用硝酸和高氯酸消化后,导入火焰原子吸收分光光度计中,与标准系列比较定量。
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更新时间:2025/8/15 15:58:33