海事活动 meaning in English

marine activity
maritime activity

A comprehensive museum about ships and maritime affairs . there are several interactive displays . there is an observatory at the top of the building
这是一个以船舶为中心，涉及整个海事活动的综合资料博物馆，您可以享受参与式游艺活动项目。
Marine department launches , in continuous radio contact with the vtc , patrol the main harbour area and its approaches to ensure safety of navigation and other marine activities , as well as to respond to emergencies
海事处巡逻艇负责巡逻主要海港范围和进口航道，利用无线电通讯与船只航行监察中心保持联络，以确保船舶航行及其他海事活动的安全，并在发生紧急事故时，立即应变。