母群体 mǔ qún tǐ

DEFINITIONS

  1. (statistics) population
  2. parent population

CHARACTERS

母 mǔ
HSK 4
mother; female elders; female
群 qún
HSK 5
(same as U+7FA3 羣) group, crowd, multitude, mob
体 tǐ
HSK 2
body; group, class, body, unit; inferior