“分组抽样”概念、定义、翻译-科学时代

单词	分组抽样
释义	会计与审计词汇手册 cluster sampling 分组抽样
随便看	redevelopment red eye red-eye redeye mullet red-eye reduction red eyes red eyes and tearing red face and ears red face wind red facial complexion red fescue Redfield, Robert red figure red figure red-figured vase red-fin disease of eel red fir red fir redfish red flaming sore red flannel hash red flesh red flooding and white discharge red flowered camel's foot red flowered camel's foot

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

cluster sampling