_:cgkSwGGQ451 . _:cgkSwGGQ451 "Normalized_Difference_Vegetation_Index". _:cgkSwGGQ453 . _:cgkSwGGQ453 "normalized_difference_vegetation_index". _:cgkSwGGQ452 . _:cgkSwGGQ452 "NDVI". _:cgkSwGGQ450 . _:cgkSwGGQ450 "3773230". . . . "Source: Freebase - The World's database". . "\u5E38\u614B\u5316\u5DEE\u503C\u690D\u751F\u6307\u6A19"@zh. "Normalized Difference Vegetation Index"@en. "Normalized Differenced Vegetation Index"@de. "Ndvi"@es. _:cgkSwGGQ451. _:cgkSwGGQ453. _:cgkSwGGQ452. _:cgkSwGGQ450. . . . . .