Metal bar "peony flowers back relief map", although riches and honour, luck.
金条背面浮雕《牡丹百花图》，暗合富贵、吉祥。
These images will be used to map territory and help with city planning. The pictures can also provide valuable information about crop and land conditions, and assist in disaster relief efforts.
这些图片将用于勘测地貌和协助城市规划，还能提供关于农作物和土地状况的有价值信息，并协助救灾工作。
First, the basic principles of geometry rectification of digital aerial images and raster relief map are introduced and thus the accuracy of geometry rectification is improved.
首先，重点阐述了数字航空影像几何纠正，以及栅格地图变形纠正的基本原理，进一步提高了几何纠正的精度。
It is a difficulty and a focus of cartographic research to present three-dimension form of relief on map.
在地图上表现地貌的三维形态，是地图学研究的难点和热点。
It is a difficulty and a focus of cartographic research to present three-dimension form of relief on map.
在地图上表现地貌的三维形态，是地图学研究的难点和热点。
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