“二重抽样”的概念、定义、翻译、参考文献-科学参考

单词	二重抽样
释义	二重抽样 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
随便看	comprehensive learning time comprehensive log interpretation Comprehensively Building a Well-off Society and Create a New Situation in Building Socialism with Chinese Characteristics comprehensive maintenance of railway infrastructures comprehensive management and control for environmental restoration of Bohai Sea comprehensive management system of family planning business comprehensive map comprehensive mapping of thematic feature Comprehensive Mirror for Aid in Government, block-printed edition by the Tea and Salt Commission of East Zhejiang (1132–1133), second to third year of the Shaoxing era, Song Dynasty Comprehensive Mirror for Aid in Government by Sima Guang, manuscript, Song Dynasty Comprehensive Mirror of Taoist Immortals in Various Dynasties Comprehensive Mirror of the Perfected and Transcendent Who Embody the Dao through the AgesⅡ Comprehensive Mirror to Aid in Government comprehensive national land development in Japan comprehensive national power analysis Comprehensive Nuclear Test Ban Treaty comprehensive optimization of mining and mineral processing comprehensive park numbers per ten thousand people comprehensive patrol car for railway permanent way Comprehensive Peace Agreement comprehensive performance evaluation of cleanroom comprehensive physical ability comprehensive physical map comprehensive physical regionalization map comprehensive platform

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。