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Digital Sea Chart Developed in China
A digital sea chart developed by a navy navigation department has lately passed experts' appraisal, marking another contribution made by Chinese researchers in the field of human navigation.
Digital sea chart is another new technology developed after radar, satellite positioning and satellite communication technologies. The chart, which is in form of digitalization, can demonstrate ocean geographical activities and give a timely transmission; combined with multi-technologies as computer technology, multi-media technology, geographical information system, it makes the ocean information digitalized.
Information capacity in the chart is quite large, it can imitate ocean reality. One disc can store hundreds of sea charts. You can also save data within several seconds. Users can download the chart on Internet and input data into ship operation system to operate ship.
By PD Online staff member Li Yan
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