“Quota Sampling”的概念、定义、翻译、参考文献-科学参考

单词	Quota Sampling
释义	Quota Sampling Encyclopedia 理学【核心概念】释 Quota Sampling配额抽样调查人员将调查总体按一定标志分类或分层，确定各类（层）单位的样本数额，在配额内任意抽选样本单元的抽样方法。又称定额抽样。
随便看	system of ordinary differential equations system of orthogonal coordinates system of orthogonal functions system of orthogonal polynomials system of orthonormal functions system of orthonormal polynomials system of ownership of the means of production system of paid use of natural resources system of parabolic equations system of parabolic equations; parabolic system system of parabolic partial differential equations system of parallel forces system of parameters system of partial differential equations system of particles system of periods system of Pfaffian equations system of points system of polar coordinates system of polynomial equations system of polynomials System of Positive Polity system of powers system of production and construction corps system of psychology

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