“double sampling”的概念、定义、翻译、参考文献-科学参考

　

单词	double sampling
释义	double sampling Encyclopedia 理学数据收集模式释 double sampling二重抽样一种分两步抽取样本的概率抽样方法：首先对从总体中随机抽取的样本量较大的样本（第一重样本）进行简单调查以获取有关总体的结构或辅助信息，然后从第一重样本中随机抽取一个样本量较小的样本（第二重样本）；最终利用抽取的第二重样本对总体所研究的目标量进行估计。又称二相抽样、两相抽样。 Mathematics ＞数理统计＞抽样与统计过程控制＞释义 double sampling二重抽样 double sampling双重抽样^†，二次抽样
随便看	ethylene glycol methacrylate ethylene glycol monoethyl ether ethylene glycol poisoning ethylene glycol separate column ethylene glycolsolutioncold storage ethylene oxide ethylene oxide poisoning ethylene production process control systems ethylene propylene diene monomer ethylene propylene monomer ethylene propylene rubber ethylene propylene rubber (EPR); ethylene propylene monomer (EPM) ethylene propylene terpolymer ethylene propylene terpolymer (EPT);ethylene propylene diene monomer (EPDM) ethylene response factor ethylene solution polymerization process ethylene unsaturated ester copolymer ethylene vinyl acetate copolymer ethylene-vinyl acetate copolymer ethylene-vinyl acetate copolymer (EVA) ethylene-vinyl acetate resin ethylene-vinylacetate rubber ethylene-vinyl alcohol copolymer ethylene wastewater ethyl ether

　

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：2026/7/4 5:17:36