这些工程的实施都是建立在测绘工作的基础上的。
The implementation of these projects are built on the basis of the work on the mapping.
大地测量学基础是测绘工程专业的骨干课程与专业基础课程之一，在学科体系中占有相当重要的地位。
The fundamentals of geodesy are an important and main fundamental course for geodesy, geomatics, geophysics, surveying engineering, and photogrammetry.
现状图是土地整理项目区工程实施前地形和地物的真实反映，也是项目区规划设计的基础图件资料。现状图的测绘质量直接决定着规划设计和工程实施的质量。
Present map is the true reflection of terrain and features before project implementation in land consolidation project area, and the basic map and material for the planning and design of project area.
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