“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	elementary reaction of transition metal organic compound elementary reaction step elementary reduction elementary relations elementary renewal theorem elementary row and column operation elementary row operation elementary row transformation elementary sentence of locus elementary set elementary situation elementary solution elementary space elementary species elementary stage in fluid machinery design elementary state elementary strategy elementary subdivision elementary submodel elementary substance elementary substructure elementary subsystem elementary sum elementary surface elementary surgery

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。