1 . 指数的
the grassland biomasses of meadow steppe , typical steppe , desert steppe and sand grassland have different correlations with three types of vegetation indices, EVI has the best correlation with meadow steppe ;锡林郭勒盟草甸草原区、典型草原区、荒漠草原区和沙地植被区实测草地牧草产量与三种不同植被指
2 . 索引
指示 indicatrix索引 indices内扩散 in-diffusion
3 . 指数中
but their indicesmiss the point .但他们在发展指数中漏了关键点。