cluster sampling
cluster sampling
[电信英汉词典]
cluster sampling成串取样,丛聚抽样
是什么意思，cluster sampling的解释，cluster sampling的翻译
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[英汉数学大词典] cluster sampling
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[航空英汉词典] cluster sampling
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[英汉计算机词汇] cluster sampling
[贸易英汉词典] cluster sampling