“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	gold and bronze Buddha statues of Southern and Northern Dynasties gold and jade ornamented leather belt Gold and Sand gold and silver colorized embroidery gold and silver incrustation gold and silver inlay gold and silver inlaying gold and silver ware of Qin and Han Dynasty Gold and Silver Wares from Nanyue King's Tomb gold and silver wares from the Famen Temple gold and silver wares from the hoard of the Tang Dynasty at Hejiacun gold and silver wares of the Liao Dynasty gold and silver wares of the pre-Qin period gold and silver wares of the Qin and Han Dynasties gold and silver wares of the Song and Yuan Dynasties gold and silver wares of the Spring and Autumn and the warring states periods gold and silver wares of the Tang Dynasty gold and silver wares of the Wei,Jin,and Southern and Northern Dynasties gold and silver works gold and silver works in the Ming and Qing Dynasties Gold Award Huiming tea Goldbach Goldbach comet Goldbach conjecture Goldbach number

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。