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

单词	spiral sampling design
释义	spiral sampling design Encyclopedia 理学【基本概念】释 spiral sampling design螺旋式矩阵抽样将施测目标中的项目螺旋循环往复式指派给群体内的个体的抽样方法。
随便看	non-invasive method non-invasive monitor devices noninvasive prenatal testing non-invertible knot non-invertible matrix nonion nonionic demulsifier nonionic polar collector nonionic surfactant non-ionic surfactants non-ionizing energy loss non-ionizing radiation non ionizing radiation with heating effect non-ionizing radiation with heating effect nonionizing radiation with heating effect non ionizing radiation without heating effect non-ionizing radiation without heating effect nonionizing radiation without heating effect Noni Puree nonirradiated non-isolated non-isolating integral non-isomorphic non-isomorphic graphs non-isomorphic groups

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