정의: A lockdown is a restriction policy for people, community or a country to stay where they are, usually due to specific risks that could possibly harm the people if they move and interact freely.
| 핵심 연구 분야 | Artificial Intelligence |
|---|---|
| 주요 연도 | 2022년 |
| 주요 연관 키워드 | students |
| 좋아요 수 | 0 |