Scientists also rely on the Normalized Difference Vegetation Index (not shown) to observe vegetation.
科学家根据标准化植被指数对植被进行了观测（未显示在上图）。
Normalized difference vegetation Index (NDVI) is one of the main characteristic descriptors indicating land surface vegetation cover.
植被归一化指数(NDVI)是地表植被覆盖特征的重要指标之一。
The LandSat-5 TM images in 1994 and 2004 were used in this study to create UHI maps, normalized difference vegetation index(NDVI)maps.
本文利用杭州市1994年和2004年两个时相的TM影像，生成热岛分布图、归一化差值植被指数（NDVI）图。
Plant condition assessment using remote sensing techniques have been associated with spectral vegetation indices such as the normalized difference vegetation index (NDVI).
用遥感技术进行植物评估可与光谱植被指数联系起来，如规一化差分植被指数NDVI。
Plant condition assessment using remote sensing techniques have been associated with spectral vegetation indices such as the normalized difference vegetation index (NDVI).
用遥感技术进行植物评估可与光谱植被指数联系起来，如规一化差分植被指数NDVI。
应用推荐