“整群随机抽样法”的概念、定义、翻译、参考文献-科学参考

单词	整群随机抽样法
释义	整群随机抽样法 Encyclopedia 农学整群随机抽样法释 random group sampling整群随机抽样法将所调查的对象或总体按一定规则划分成群，随机抽取若干个整群作为总体的样本，对抽取的整群中每一个抽样单元都进行调查的方法。
随便看	shortest route problem shortest service time shortest spanning tree shortest tree shortest vector problem short exact sequence short fiber content short finish shortfin mako short focus lens short hairpin RNA，shRNA short-hole blasting of open pit short hole ore blast Shorthorn short increment sensitivity index shorting short inter-frame space short inter-frame space, SIFS short interspersed element short interspersed nuclear element short interspersed repeated sequence short line short lived intermediates short lived nucleus short-lived nucleus

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。