“snowball sampling”的概念、定义、翻译、参考文献-科学参考

单词	snowball sampling
释义	snowball sampling Encyclopedia 理学【基本概念】释 snowball sampling滚雪球式抽样利用若干原始样本提供的信息来获取更多样本，并且以相同方式不断增加样本，直到样本数量达到研究要求的抽样方法。又称链式抽样、推荐抽样。
随便看	mechanical connecting technology mechanical connection mechanical construction mechanical construction techniques mechanical control circuit mechanical control measure mechanical control system mechanical coring instrument mechanical cracking mechanical creep testing machine mechanical cubature mechanical current meter mechanical damper mechanical defense mechanical dehydration mechanical dictionary mechanical digestion mechanical draft cooling tower mechanical drainage anti the slope mechanical drawing mechanical drive mechanical drive in electronic equipment mechanical drive truck - manual transmission mechanical drive truck – hydro mechanical transmission mechanical drop test

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