“目标式抽样”的概念、定义、翻译、参考文献-科学参考

单词	目标式抽样
释义	目标式抽样 Encyclopedia 理学【基本概念】释 purposive of judgmental sampling目标式抽样研究人员在初步了解调查对象某些信息的基础上，依靠自己的判断，选择能够为研究问题提供最大信息量的研究对象的一种非概率抽样。又称目的抽样、立意抽样、专家抽样。
随便看	differential flat systems differential flexure differential form differential form of Joule law differential form of Ohm law differential form theory differential function differential-functional equation differential gain differential galactic rotation differential Galois theory differential game differential game guidance law differential game theory differential gene determination differential gene expression differential-geometric differential-geometric invariant differential-geometric method differential-geometric structure differential geometry differential geometry in the large differential geometry of curves differential geometry of manifolds differential geometry of surfaces

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