“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
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