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bian zhi shi yong xing di xue tu shi kuo da di zhi gong zuo fu wu ling yu de xu yao
Author(s): 
Pages: 55-57
Year: Issue:  5
Journal: Hydrogeology and Engineering Geology

Keyword:  地质工作地学图地质环境水文地质图地质图件制图技术地质制图自然单元第四纪地质图地学专业;
Abstract: <正> 一、两类使用者群体需要两类地学图件我国大部分陆地已经完成多种比例尺的地质和水文地质区测工作,并在此基础上编制了大量省的、自然单元的或全国性的地质和水文地质图件。这些图件都是以模拟地质环境的条件和作用为目的,其任务是构筑地质环境的简化模型来反映制图者对于制图区地质条件的基本认识。由地学家编制的这一类概念抽
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