This is the 2203rd most frequent Korean word.
주재로
"주재로" means "as the main topic" or "under the theme of."
The word '주재로' here is used to indicate the theme or subject of the seminar, showing the main focus on education.
그는 교육을 주재로 한 세미나를 준비하고 있다.
He is preparing a seminar with education as the main theme.
In this sentence, '주재로' refers to the theme under which the materials were utilized, highlighting the materials' relevance to the theme.
주재로 사용된 자료는 매우 흥미로웠다.
The materials used for the main theme were very interesting.
Here, '주재로' is used to explain the thematic focus of the activities, indicating the subject that the activities are centered around.