利用CASS和Surfer软件对土地工程项目的土方量计算、管网设计以及三维可视化表达等方面进行探讨，并通过实例验证可行性，以满足土地工程项目各个环节的需求，为项目的决策提供科学的数据支持。%By using CASS and Surfer software, earth volume calculation, pipeline design and expression of 3D visualization of land project was discussed, the feasibility was verified through cases, so as to meet the demands of all aspects of land projects, to provide scientific data for deci-sion-making of the project.
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