“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	earthgas survey earth-geomagnetic navigation Earth God opera earth gravitational perturbation earth gravity field earth gravity potential model earth-grazer earth-grazing asteroid earth, ground earth-inductor earthing earthing of the railway vehicles earthing switch for busbar earth-ionosphere waveguide radio wave propagation earth-light earthlight Earth-like exoplanet Earth-like planet earthly branch-preion of point selection earth magnetic field earth magnetosphere earth mantle earth mass redistribution earth metal Earth Microbiome Project

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。