At the same time we use the brightness of MODIS band1 and band2 to calculate NDVI of this area, and translate it into coverage of vegetation.
同时又利用MODIS影像的第1通道和第2通道的亮度值计算出该区域的NDVI值，并将其转化为植被盖度。
At the same time we use the brightness of MODIS band1 and band2 to calculate NDVI of this area, and translate it into coverage of vegetation.
同时又利用MODIS影像的第1通道和第2通道的亮度值计算出该区域的NDVI值，并将其转化为植被盖度。
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