土地覆盖分布模式
Land cover distribution patterns
土地覆盖分类
classification of land cover
land cover classification
Land cover mapping
Multi-spectrum and multi-temporary
土地覆盖年际变化
Land cover interannual variance
土地利用／土地覆盖变化
land use and land cover change LUCC
land use/land cover change
land use and land cover
breadth pattern
remote sensing