“multistage cluster sampling”概念、定义、翻译-科学时代

单词	multistage cluster sampling
释义	社会学词汇手册 multistage cluster sampling 多阶段整群抽样
随便看	single proprietorship single proprietorship single pulse laser single purpose reactor single quotation marks single quotes single radial diffusion single radiant section furnace single-range single-range house single rate single-rate system single reactor for high ammonium removal over nitrite（SHARON） single reed single refraction single revolution press single rhyme single roll coal crusher single roll crusher single roll crusher single room single-room occupancy single root single rope haulage single ropeway

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。