请输入您要查询的字词:
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
attentional cueing paradigm
attentional system
attention control training
attention deficit disorder
attention deficit hyperactive disorder
attention deficit hyperactivity disorder
attention development
attention economy
attention limit
attention span
attenuated live vaccine
attenuated rabbit-adapted classical swine fever vaccine
attenuated total reflectance Fourier transform infrared
attenuated total reflection
attenuated total reflection (ATR)
attenuated total reflection, ATR
attenuated total reflection infrared spectrometry
attenuated total reflection infrared spectrometry (ATRIR)
attenuated total reflection spectroscopy
attenuated vaccine
attenuation
attenuation coefficient
attenuation constant
attenuation curve
attenuation distance
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:2026/2/8 21:59:27