卫星导航在海上运输领域的应用

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卫星导航在海上运输领域的应用
In Global Satellite Navigation Systems (GNSS) generally are GPS, GLONASS and GALILEO. If all the systems are in use it is really the times of Satellite Navigation and the reliability of satellite navigation will be 100%.   
As well known，ocean is 70% of the Earth, it will be emphasized in this century，because more and more activities of human beings will be at sea with the development of science and technology. The activities at sea will greatly dependent on satellite navigation.  ...

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关键词：海上运输 卫星导航 reliability Development navigation