yeonryeongcheung
age bracket
tranche d'âge ; catégorie d'âge ; groupe d'âge
이 연구는 다양한 연령층을 대상으로 진행되었습니다.
I yeonguneun dayanghan yeonnyeongcheung-eul daesang-euro jinhaengdoeeossseubnida.
This study was conducted targeting various age brackets.
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