词汇	fill in the blank
释义	fill in the blank 🌏填空；填空题；填补空白
随便看	representative method sampling representative microbial representative mission representative mode representative model representative modul representative module representative money representativeness representativenesses representativeness heuristic representativeness of sample representativeness of sample survey representativeness of sampling representativeness of survey sample representative number representative-number representative-numbers representative object representative objects representative observation Representative Observation Site representative of representative of a commodity dealer representative of a residue class