Cartography: to study the maps and the preparation of the theory and methods.

地图制图学：研究地图及其编制的理论和方法。

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To study the maps and the preparation of the theory and methods.

研究地图及其编制的理论和方法。

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Preparation of leading organs of the organization work with the maps, to provide services for leading decision-making bodies.

组织编制领导机关工作用图，为领导机关决策提供服务。

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Hundreds of hours of preparation and planning, good fish intelligence (satellite maps, dockside info, charts analysis), an experienced crew, patience, and, of course, good luck.

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