Therefore, it is very necessary to research methods and establish a framework of desertification vegetation monitoring and evaluation information system at the county level.

因此，以县为单元，研究建立荒漠化植被监测的框架和信息处理和评价方法很有必要。

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Therefore, it is very necessary to research methods and establish a framework of desertification vegetation monitoring and evaluation information system at the county level.

因此，以县为单元，研究建立荒漠化植被监测的框架和信息处理和评价方法很有必要。

youdao