如今，科学家试验了一种新的方法，通过测量人类肉眼观测不到的植被释放物质，监测其健康状况。
Now scientists have tested a new method for monitoring the health of vegetation by measuring emissions that the human eye cannot detect.
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。
Therefore, it is very necessary to research methods and establish a framework of desertification vegetation monitoring and evaluation information system at the county level.
以改进的热惯量法、作物缺水指数法和植被指数法等为主要代表的土壤水分遥感监测方法日臻成熟。
The results showed that the methods on soil moisture monitoring by remote sensing, which are mainly stood for by improved thermal inertia, CWSI and vegetation index, are becoming mature.
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