“分层采样”的概念、定义、翻译、参考文献-科学参考

单词	分层采样
释义	分层采样 Encyclopedia 理学采样理论释 stratified sampling分层采样研究者可将整个总体分成不同子群或层，然后按照比例从不同层随机选取最终样本的方法。是一种概率采样技术。
随便看	liquid cooling system liquid core liquid core optical fiber spectrophotometry liquid crystal liquid crystal alignment technology liquid crystal beam deflector liquid crystal cell liquid crystal compensation film liquid crystal diffraction grating Liquid Crystal Display liquid crystal display liquid crystal display device liquid crystal display, LCD liquid crystal display materials liquid crystal display simulation software liquid crystal display technique liquid crystal display working mode liquid crystal flat display liquid crystal grating liquid crystal lens liquid crystal light modulating film liquid crystalline polymer liquid crystalline state of polymer liquid crystal memory liquid crystal nanostructure

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。