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random sample

econ. 随机样本 (抽样)
hydroel.st. ★ 随机样本
interntl.trade. 随机抽样
IT 随机取样
jewl. 随意抽取的样品
met. 任意试样; 无规试样; 随机样品
plast. 抽样; 任意取样
polygr. 随机采样
space 随机抽样［采样］
stat. 随机样本抽样
tech. 随机试件; 任意试件; 随意抽样; 随机试样; 散装试样
random-sample
gen. 随机抽样〔试样，样品〕
random sample
: 47 phrases in 12 subjects
Advertising6
Agriculture3
Animal husbandry1
Business8
Economics2
Foreign trade3
Information technology1
Life sciences1
Mathematics8
Oil / petroleum1
Statistics2
Technology11

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