정의: A trapdoor or hatch is a sliding or hinged door that is flush with the surface of a floor, ceiling, or roof. It is traditionally small in size. It was invented to facilitate the hoisting of grain up through mills, however, its list of uses has grown over time. The trapdoor has played a pivotal function in the operation of the gallows, cargo ships, trains, booby traps, and more recently theatre and films.
| 핵심 연구 분야 | Cryptography |
|---|---|
| 주요 연도 | 2021년 |
| 주요 연관 키워드 | quantum |
| 좋아요 수 | 0 |