“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	Fu on Demonstrating My Aspiration Fu on Dwelling in the Mountains Fu on Flute Fu on Han River Fu on Maidservant Fu on Ostrich Fu on Parrots Fu on Recalling Recluses Fu on Repentance for Non-Allegiance to the Han Court Fu on Returning to the Fields Fu on Sai Chess Game Fu on the Admonishment of Hunting Fu on the Eastern Expedition Fu on the Excursion Hunt of the Son of Heaven Fu on the Goddess of the Luo River Fu on the Hall of Great Blessings Fu on the Location of the Capital Fu on the Northern Expedition Fu on Western and Eastern Metropolises Fu on Wine Vessels Fuor FU Orionis object FU Orionis star FU Orionis variable Fupianyu opera stage of Chengde Mountain Resort

　

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：2026/7/1 8:26:24