“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	occupational acute allergic alveolitis occupational analysis occupational apparel occupational arsenism poisoning occupational bladder cancer occupational cadmium poisoning occupational carcinogen occupational cataract occupational chromium poisoning Occupational Classification Code occupational commitment occupational contact dermatitis occupational contraindication occupational dental acid erosion occupational dermatitis occupational disease occupational disease compensation occupational disease identification occupational disease management Occupational Disease Prevention and Treatment Law of People's Republic of China Occupational disease rehabilitation occupational disease report occupational diseases occupational diseases by target organ systems occupational diseases caused by physical factors

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。