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- 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。
- 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。
- pseudo-open-1-sequence covering mapping 序列覆盖的伪开映射
- 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；
- The front cover of the novel has been torn off. 这本小说的封面已被撕掉。
- 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)
- A mapping of one space onto another or onto itself. 变换一个空间与另一个空间或自身的一一对应
- 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。
- The insurance cover is optional. 保险范围可以随意选择。
- The province boundaries are marked in with a fine mapping pen. 省区界限是用很细的绘图笔加画在地图上的。
- The technique of mapping a region or district. 地志学绘制地区地图或行政区地图的技术
- The house is red brick without a covering of stucco. 那房子是红砖砌的，没有用灰泥粉刷。
- A protective covering of bony plates or scales. 护身甲壳保护骨盘或介壳的覆盖层
- The seed has a hard exterior covering. 这种子外壳很硬。
- We tried to find cover from the storm. 我们设法寻找遮蔽暴风雨的地方。
- A boxlike covering or enclosure. 盒式箱罩，盒式包装
- A covering resembling a cloak or mantle. 斗篷状覆盖物一种类似长袍或斗蓬的遮盖物
