“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	two-dimensional harmonic oscillator two dimensional homogeneous affine coordinates two-dimensional homogeneous affine coordinates two dimensional infrared correlation spectrum two dimensional infrared spectrum two-dimensional infrared spectrum two-dimensional KdV equation two-dimensional knot two-dimensional lattice two-dimensional liquid chromatography for pharmaceutical analysis two-dimensional manifold two dimensional material two dimensional measurement instrument two-dimensional mesh two-dimensional mesh, 2D mesh two-dimensional metric two dimensional molecular crystal two-dimensional network solid two-dimensional NMR spectroscopy two-dimensional normal distribution two-dimensional nuclear magnetic resona- nce spectrometry for pharmaceutical analysis two-dimensional order two dimensional plasmon two-dimensional polygon two-dimensional population

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。