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）。

Scientists also rely on the Normalized Difference Vegetation Index (not shown) to observe vegetation.

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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）。

Scientists also rely on the Normalized Difference Vegetation Index (not shown) to observe vegetation.

youdao