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

单词	multiple sampling frame
释义	multiple sampling frame Encyclopedia 理学数据收集模式释 multiple sampling frame多重抽样框在一次抽样调查中组合使用两个或两个以上的抽样框，多个抽样框的组合称。
随便看	convex closure convex closure of a saddle function convex closure of a saddle-function convex closure of saddle function convex combination convex-compact mapping convex-complex space convex-concave convex concave function convex-concave function convex-concave mapping convex cone convex constraint condition convex cooperative game convex core convex curve convex decomposition convex domain convex down convex down curve convex duality convex equivalence relation convex extension convex figure convex figure of constant width

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