短語(yǔ)詞組短語(yǔ)vegetation fractional cover 植被覆蓋度vegetation n cover 植被Vegetation cover mapping 植被覆蓋圖surface vegetation cover 地表植被覆蓋Grassland vegetation cover change 草地植被覆蓋變化ground vegetation cover 地麪植被Fractional Vegetation Cover 植被覆蓋度;植被覆蓋指數(shù)Sparse Vegetation Cover 稀疏植被覆蓋度 返回 vegetation cover