| 1. | Topographical maps not only show planimetric position but also indicate relief by some method .
地形图不仅表示出平面位置，而且还通过某种方法显示地貌。 |
| 2. | Large scale topographical mapping
大比例尺测图 |
| 3. | The paper studied and concluded some general ways of scanned topographical map image pretreatment
本文首先对地形图扫描图像预处理常用的方法进行了研究和总结。 |
| 4. | Detailed topographical maps of the kind commonly used by ramblers in other countries are strictly classified
其它一些国家对徒步者常用的详细地形图进行了严格的分类。 |
| 5. | In this paper an effective method for extracting contour lines from color scanned topographical maps is proposed . it focuses on reconnecting gaps of contour lines
本文主要研究从彩色扫描地形图中自动提取等高线的方法,重点解决由彩色分割造成等高线断裂的问题。 |
| 6. | For the purpose of practical production , developed the system of image - suite of scanned topographical map on the base of vc . net platform , it has needed practical value
然后从面向生产的观点出发，在vc . net平台上开发了具有实际应用价值的地形图分块扫描图像拼接系统。 |
| 7. | The whole procedure includes : scanning and inputn image - suite , image correction image thresholding , image thinning and so on , in the course of studying , found the disadvantage of existing automatic image - suite way on the scanned topographical map
在研究图像拼接的过程中，发现现有的自动拼接方法在地形图扫描图像拼接时的缺点，基于此提出了一种改进的适用于地形图扫描图像的自动拼接理论。 |
| 8. | The national aeronautics and space administration has undertaken a " remote sensing experiment " to create a detailed topographical map of navassa that will help monitor the island ' s reaction to climate change , hurricanes and the rise of water levels around the world
美国太空总署决定进行遥控侦测实验，帮纳弗沙创造一个详细的地形图，以协助侦测岛上对气候变化、飓风及全球水平面上升的反应。 |
| 9. | At present , the theory and application of topographical mapping system is quite mature . more of them reached the criterion of topographical map and the requirement of map digitizing . however , the deeper application and conversion of digital map to gis are ignored
目前，以单纯成图为目的测量绘图平台开发的理论和应用已经比较成熟，大多数的绘图平台已经基本实现了地形图图示上的绘图要求，能满足测绘部门数字成图的需要。 |
| 10. | On the base of its , the paper proposed a new suitable way for the scanned topographical map image - suite . and adopted a new thinking of " drawing separated , image - suite wholly " , and proposed a new way of drawing bmp high efficiency and eliminated flickering , it improve the efficiency of image - suite
在手动拼接的方法上，采用“分块显示、整体拼接”的思想，提出了一种高效率显示bmp图像和消除图像漫游时闪烁的方法，极大的提高了拼接速度和效率。 |
