Surveying earthwork in engineering measure is a very common work, but in the course of calculating earthwork we often face some difficult problems to solve.
在工程测量中，测量土石方是一件很普通的工作。但在计算土石方过程中，经常会遇到一些很难解决的问题。
Triangle network DTM building with concrete height points can be used for various aspects, e. g. generating contours, building surface model and calculating earthwork, etc.
由离散高程点建立的三角网d TM，能够在多方面应用。如生成等高线、建立地面模型、计算土方量等。
Triangle network DTM building with concrete height points can be used for various aspects, e. g. generating contours, building surface model and calculating earthwork, etc.
由离散高程点建立的三角网d TM，能够在多方面应用。如生成等高线、建立地面模型、计算土方量等。
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