英语词汇“purposive sample”的读音、翻译、释义、用法及例句-集火网

词汇	purposive sample
释义	purposive sample 【经】目的性抽样, 有目的的抽样
随便看	runner brick runner core runner extension runner milling runner ratio runner scrap runner stick runner-up running running account running account credit running account form running accounts running accumulator running and feeding layout running and feeding system running attention running audit running balance running balance indicating machine running balance statement of account running blocking running check running circuit breaker running control circuit

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