- quantity of fallen dust
- sampling basic number
- 抽样: sample; sampling; specimen; ...
- 基数: cardinal number; potency; ra ...
- 抽样基础: sampling basis
- 基数: [数学] cardinal number; potency; radix; base; base quota; floor; cardinality; base number; basic value; radix number 以1965年的产量为基数 taking the output of 1965 as the base; 承包基数 the base quota of a contract
- 抽样: [统计] sample; sampling; specimen; samples draw 按比例抽样样品 quota sample; 重复抽样 duplicate sampling; 概率抽样 (法) probability sampling; 从不同的零件中抽样检查 test the samples from different parts; 有意抽样 purposive sampling; 随机抽样 random sampling
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