“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	exchange half-time; exchange half-life exchange hole exchange instability exchange integral exchange interaction exchange lattice exchange mode exchange network exchange of mass exchange of publications exchange of stability exchange of water conservancy data exchange on basis exchange operator exchange permutation exchange potential energy exchange principle exchange property exchanger exchange reaction exchange shop exchange shuffle exchanges of water science and technology between China and other countries exchange sort exchange spectroscopy

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