microdata
noun [ U or plural ] uk/ˈmaɪ.krəʊˌdeɪ.tə/ us/ˈmaɪ.kroʊˌdeɪ.t̬ə/
social science, finance & economics specialized微数据，微观数据（特定人群、家庭等的详细信息）
detailed information about particular people, families, etc. who were part of a general survey (= an examination of opinions, behaviour, etc.)
This microdata file contains household information for a representative sample of almost 40,000 families and individuals. 这份微观数据文件包含近40000个家庭和个人代表性样本的具体信息。