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- A land cover map compiled on the basis of Landsat TM images and geochemical data was used to establish a model that provides quantitative data for ecological and environmental evaluation. 通过遥感图像信息增强与提取,结合区域性化探数据的归一化变换等方法,建立了生态地球化学环境指数模型,其最终结果为区域性生态环境评价提供了定量分析数据。
- On the Finite-Sheeted Covering Map 关于有限层覆迭映射
- Vegetation cover maps of three different years (e.g. 1989, 1997 and 2003) were derived from the Landsat TM images for the city of Shanghai. 通过TM影像解译,获取上海市1989、1997和2003年共3个时期的植被分布,构造植被变化轨迹,分析轨迹的空间格局;
- To improve the accuracy of obtaining the snow cover area from MSS,this paper explores a method of snow cover mapping based on NDVI background field. 为充分精确提取MSS影像的雪盖面积,本文探索一种以NDVI为背景场的雪盖制图新思路。
- The front cover of the novel has been torn off. 这本小说的封面已被撕掉。
- There is a map of the world on the wall. 墙上有张世界地图。
- He spread the map flat out on the floor. 他把地图平铺在地上。
- The road we should take is marked on the map. 我们要走的路已经标在地图上了。
- On the map the drains of each field are laid sown. 地图上标有每一块地的排水沟。
- You can't judge a book by its cover. 不能根据封面判断一本书(不可以貌取人)
- I found this old map in the family archives. 我在家谱中发现了这幅旧地图。
- I prick the map with a pin to show our route. 我用大头针在地图上扎孔标出我们的路线。
- Through the three demonstrations of ETM+ and TM,the process of algorithm and the way to build LUT are illuminated in detail.And the accuracy of snow cover mapping of this method is tested by NDSI. 通过ETM+和TM影像的三个例证,详细阐明该算法流程以及查找表的创建,并以NDSI对其雪盖制图进行精度验证。
- The airport is arrowed on the map. 飞机场在地图上用箭头标出。
- The map is in error regarding the junction. 这张地图在这个交点上是绘制错了。
- The canvas covering was peeled back. 盖在上面的帆布被揭开了。
- The covering of forestry in our town is 60 percent. 我们镇的森林覆盖率是百分之六十。
- He drew a world map on a sphere. 他在球上面画了一幅世界地图。
- The insurance cover is optional. 保险范围可以随意选择。
- The place is marked on the map with a crossing. 那个地方在地图上以十字形记号标出。