| 1. | Basic mapping is topographic mapping made from new surveys .
基本地图就是地形图，它是根据新的实测成果制作的。 |
| 2. | Orthophotographs usually do not include contours as shown on topographic maps .
正射摄影象片一般不带像地图所表示的等高线。 |
| 3. | They differ somewhat from bathymetric charts which are virtually topographic maps of the ocean floor .
它们与水深图稍有不同，后者实际上是洋底地形图。 |
| 4. | On a topographic map of the united states, the mountains look like jagged masses, the plains like vast open flat spaces, and the rivers like meandering threads .
从美国地形图上看，大山好像参差的土堆，平原像开阔平坦的空地，河流像蜿蜒的细线。 |
| 5. | Contour lines recognition from scanned topographic maps
扫描地形图中等高线的识别 |
| 6. | Series and basic requirements of digital topographic maps
数字地形图系列和基本要求 |
| 7. | Research on colouring for elements of topographic map
地形图要素设色的研究 |
| 8. | The application of digital topographic map in project constryuetion
线路纵横断面测绘数字化 |
| 9. | Outline for the digital topographic map products
数字地形图产品模式 |
| 10. | Modify the topographic map using the fruits of projective layout
利用规划放线成果修测城市地形图 |
