请输入您要查询的字词:
单词
random group sampling
释义
random group sampling
Encyclopedia
农学
整群随机抽样法
释
random group sampling
整群随机抽样法
将所调查的对象或总体按一定规则划分成群,随机抽取若干个整群作为总体的样本,对抽取的整群中每一个抽样单元都进行调查的方法。
随便看
system module
system monitor
system monitoring
system network architecture
system noise
system noise temperature
system nucleus
system objective
system objectives
system of algebraic equations
system of anchor bars
system of appropriate adult participation
system of approximations
system of area responsibility of educational inspection
system of astronomical constants
system of axioms
system of biological classification
system of Buddhist authorities in ancient China
system of centralized pollution control
system of circles
system of circular economy
system of civil servants resignation
system of classes
system of cleaning production
system of coefficients
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:2026/6/14 20:14:58