简要阐述了数字地面模型(dtm)的基本概念，并结合矿山地质勘查，提出实际情况应用，利用CASS成图系统建立模型。
This paper describes the basic concepts of digital terrain model (DTM), how to use DTM in practice in the mining geological exploration, and how to use CASS surveying and mapping system to build DTM.
简要阐述了数字地面模型(dtm)的基本概念，并结合矿山地质勘查，提出实际情况应用，利用CASS成图系统建立模型。
This paper describes the basic concepts of digital terrain model (DTM), how to use DTM in practice in the mining geological exploration, and how to use CASS surveying and mapping system to build DTM.
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