“配额抽样”的概念、定义、翻译、参考文献-科学参考

单词	配额抽样
释义	配额抽样 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。 Mathematics ＞数理统计＞抽样与统计过程控制＞释义 quota sampling配额抽样
随便看	earth-crossing asteroid earth-crossing comet earth-crossing object earth crust earth current earth curvature correction earth dam with inclined core earth dam with vertical core earth day earth deformation earth density model earthdin earth dynamic ellipticity earth dynamics earth elasticity earth ellipsoid earth ellipticity earthen and wooden figurines in Turpan earthen bowl earth fissures earth fixed coordinate system earth-fixed coordinate system earth flattening earth forest Earth Forest-Guge Scenic and Historic Area

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。