This is the 203rd most frequent Korean word.
발표했다
"Announced" or "presented."
Here, "발표했다" is used to mean "presented," indicating that he formally shared research results during an academic event.
그는 중요한 연구 결과를 학회에서 발표했다.
He presented important research findings at the conference.
In this context, "발표했다" translates to "announced," signifying that the company conveyed new information openly to the intended audience.
회사는 고객에게 새로운 서비스를 발표했다.
The company announced a new service to its customers.
Here, "발표했다" similarly means "announced," suggesting an official divulgence of plans from the government to the citizens.