请输入您要查询的字词:
单词
分层抽样
释义
分层抽样
Encyclopedia
理学
【核心概念】
释
stratified sampling
分层抽样
将总体单元按其属性特征分成若干类型或层,然后在类型或层中随机抽取样本单元的概率抽样方法。又称类型抽样、分类抽样。
Mathematics
>数理统计>抽样与统计过程控制>释义
stratified sampling
分层抽样
stratified sampling
分层抽样
†
Chemistry
>分析化学>化学计量学>释义
stratified sampling
分层抽样
随便看
environmental social governance
environmental social organizations
environmental social risk assessment
environmental soil science
environmental space
environmental space atmosphere
environmental space combination
environmental space design
environmental space design techniques
environmental space division
environmental space form
environmental space orientation
environmental space type
environmental standard management regulation
environmental standards
environmental standards management
environmental standard system
environmental state
environmental state recognition
environmental statistics
environmental stress of swine building
environmental structure
environmental subsidy
environmental suit
environmental supervision
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:2025/3/16 10:39:15