“random group sampling”的概念、定义、翻译、参考文献-科学参考

单词	random group sampling
释义	random group sampling 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	spherical angle spherical annulus spherical antenna spherical astronomy spherical asymptote spherical azimuth spherical Bessel differential equation spherical Bessel function spherical Bessel function of the first kind spherical Bessel function of the second kind spherical Bessel function of the third kind spherical bubble modeling spherical building spherical bundle spherical bundle of circles spherical cap spherical capacitor spherical-cap bubbles spherical cavity spherical center spherical circle spherical class spherical code spherical cohomology class spherical collapse

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。