“机械抽样”的概念、定义、翻译、参考文献-科学参考

单词	机械抽样
释义	机械抽样 Encyclopedia 农学抽样调查释 systematic sampling机械抽样把含有个单元的总体按一定顺序排列单元，然后随机确定并抽取起始单元，再按一套规则抽取其他样本单元组成样本，用以估计总体的抽样方法。又称系统随机抽样、规律性抽样。 Chemistry ＞分析化学＞化学计量学＞释义 mechanical sampling机械抽样
随便看	Hadamard gate Hadamard graph Hadamard hypersingular integral equation Hadamard inequality Hadamard integral Hadamard matrix Hadamard matrix of skew type Hadamard method Hadamard product Hadamard-regularized sum Hadamard theorem Hadamard three-circle theorem Hadamard three-sphere theorem Hadamard transform Hadamard transformation Hadamard-Vallée Poussion constant Hadamard variational formula Ha-Da-Qi Industrial Corridor Hadar Hadashan Shuili Shuniu Hadayikul adwiye Haddon matrix hade in census registe Hades Hadiah Sastra Mastera

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。