图式图例的设计是每项专题制图工作必不可少的基础工作，也为制图工作实现标准化、自动化的重要环节。
The design of form and legend is the basic and necessary work to map-making for every special theme, also the key of standardization and automation for karst hydrogeology maps.
图式图例的设计是每项专题制图工作必不可少的基础工作，也为制图工作实现标准化、自动化的重要环节。
The design of form and legend is the basic and necessary work to map-making for every special theme, also the key of standardization and automation for karst hydrogeology maps.
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