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。
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。
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。
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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