The major purpose in that time was to provide the real time and all-weanther navigation service in the whole world including the three domains of land, sea and air.
当时的主要目的是为陆、海、空三军提供实时、全天候和全球性的导航服务。
2
NDT, visual inspect, the collectivity engineering quality and the technical service in process of prefabrication and installation of Steel structure engineering in sea or on land. And so on.
海洋钢结构工程陆地制造及海上安装工程的无损检测、外观检验及工程的总体质量控制、技术服务等。
3
Aeronautical station a land station in the aeronautical mobile service. In certain instances, an aeronautical station may be located on board ship or on a platform at sea.