虽然她皓首穷经地埋首于英国四十万分之一比例尺的全国地形测量地图，追寻每一条等高线，对她的研究目标来说，她仍觉得这份地图算是「粗糙的工具」。
Though she spent much of the time with her nose in one-inch Ordnance Survey maps, tracking the contour lines, she found them a “coarse instrument” for her purpose.
城镇地籍测量中，成图比例尺跨度较大容易造成图幅拼接缝隙，产生接边误差。
In the process of splicing the urban and country cadastral mapsheets, it may cause apertures and precision difference easily because of large scale spans among corresponding mapsheets.
基于航空摄影测量作业流程进行了航拍试验，分析得出数码航空摄影测量完全能满足大比例尺测图的要求，最后总结了数码相机进行航拍成图的几点结论。
The experiment was made on base of workflow of aerial photogrammetry, the experiment result shows that the digital image can produce large scale map, and several conclusion is induced at last.
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