“stratified multistage cluster sampling”的概念、定义、翻译、参考文献-科学参考

单词	stratified multistage cluster sampling
释义	stratified multistage cluster sampling 分层多级整群抽样
随便看	spectral albedo spectral amplitude spectral amplitude technique spectral analysis spectral and non-spectral colours spectral background spectral band spectral band absorption spectral bandwidth spectral branch spectral calculation spectral carbon rod spectral centroid spectral centroid of light spectral character spectral characteristic spectral-chemical analysis spectral class spectral classification spectral color spectral colour spectral comparative pattern recognizer spectral comparator spectral component spectral concentration

科学参考收录了1248194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。