National marine science knowledge competition. According to the introduction of China Navigation Association, the theme of the 2023 National Navigation Science Competition is to stimulate the dream of navigation. The activity time is: from May/KLOC-0 to June 20, the preliminary round and team formation, and the rematch, final and award ceremony on July 1 4. Final venue: Auditorium of Cangzhou International Conference Center, Hebei Province. Final form: live broadcast+TV recording and broadcasting competition includes navigation knowledge, ship knowledge and award ceremony. Organizers: China Navigation Society and China Seamen's Union.