“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	emergency repair of tunnels emergency repair plans of civil engineering subjected to major disasters emergency repairs for buildings emergency repairs for lifeline engineering emergency requisition emergency rescue emergency rescue base emergency rescue command platform emergency rescue equipment emergency rescue for 11·3 building collapse accident in Hengyang city, Hunan province emergency rescue for 5·12 earthquake accident in Wenchuan county, Sichuan province emergency rescue for 7·23 high-speed railway crash accident in Wenzhou city, Zhejiang province emergency rescue of dangerous chemical accidents emergency rescue preparedness emergency rescues technology emergency rescue system Emergency Rescue Team emergency rescue techniques emergency rescuing based on GNSS emergency resource management standards emergency resources emergency response emergency response action planning emergency response and management system emergency response for drought mitigation

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。