“pure random sampling”的概念、定义、翻译、参考文献-科学参考

单词	pure random sampling
释义	pure random sampling Encyclopedia 农学抽样调查释 pure random sampling单纯随机抽样从含有个单元的总体中，随机等概地提取个单元组成样本，用以估计总体的方法。又称简单随机抽样。
随便看	rational content rational convexity rational crimes rational cuboid rational curve rational curve and surface rational cut rational cutting problem rational cycle rational density rational design rational diagonal rational differential equation rational distance rational distance problem rational division algebra rational divisor rational divisor over k rational domain rational double point rational drug design rational drug use monitoring system rational economic man rational egoism rational element

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。