He said while NATO countries let each other know what general area of the Atlantic they are operating in, neither submarine would have had a precise position for the other.
These maps can reflect all submarine environmental features in the cable route area.
该图反映路由区海底所有的自然环境特征。
3
Based on this, by the visualizing treatment, manifold visual models of submarine topography and its change have been formed in the area beginning from 1968 to 2000 year.