请输入您要查询的字词:
单词
stratified random sampling
释义
stratified random sampling
Encyclopedia
教育学
抽样
释
stratified random sampling
分层随机抽样
按照总体已有的某些特征,将总体分为几个不同的部分(每一部分称一个层),再分别在每一部分中随机抽样的方法。
农学
抽样调查
释
stratified random sampling
分层随机抽样
将总体按一定的原则分成若干个子总体,每个子总体称为层,在每个层内进行抽样,不同层的抽样相互独立且每层的抽样都是简单随机抽样的方法。
Mathematics
>数理统计>抽样与统计过程控制>释义
stratified random sampling
分层随机抽样
随便看
collection of ancient and modern calligraphers
Collection of Ancient and Modern Proverbs
Collection of Ancient Prose and Poetry
Collection of Anecdotes of Song People
Collection of Bai Juyi's Poems
collection of benchmark
Collection of Bronze and Stone Inscriptions
Collection of Buddhist Journals of the Republic of China
Collection of Calligraphy Copybooks in Wansui Tongtian Period
Collection of Cen Jiazhou
Collection of Central Harmony
Collection of Chen Shidao’s Talks
Collection of Chen Wenzhong
Collection of Chinese Modern Anti-Aggression Literature
Collection of Chinese Opera from Yuan to Qing Dynasties
Collection of Ci-poems in Tang and Five Dynasties
Collection of Classified Tang Poetry
Collection of Commentaries on Ci Poetry
Collection of Court Verdicts
Collection of Criticism on Poets and Poetry of Tang Dynasty
Collection of Difficult Cases
Collection of Discriptions of Chinese Minority Languages
Collection of Doctrines Preached from Zhong Liquan to Lv Dongbin
Collection of Dongxiao Poetry
Collection of Dunhuang Fu
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/7/4 15:44:36