“分级随机抽样法”的概念、定义、翻译、参考文献-科学参考

单词	分级随机抽样法
释义	分级随机抽样法 Encyclopedia 农学分级随机抽样法释 multi-stage random sampling分级随机抽样法将总体看为不同级别大小的抽样单元组成，然后对不同级别的抽样单元分级进行随机抽样的方法。又称多级随机抽样法、多阶段随机抽样法、巢式随机抽样法。
随便看	killer whale Killian incision killifish Killing killing killing and wounding effects of nuclear weapon Killing differential equation Killing equation killing fluid Killing form killing homotopy group killing measure killing method killing people with toxin produced by poisonous parasites killing rate Killing's equation killing space killing transformation Killing vector Killing vector field kill probability for single-shot kill probability of warhead kill radius of warhead kill well by engineer method kill well while circulating

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。