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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The workshop will provide an opportunity to assess the key achievements, lessons learned and challenges from the process of developing comprehensive life skills curriculum on Sexuality, HIV Educative Prevention (LSHEP Curricular) in 2012 and to produce recommendations for implementing the LSHEP Curriculaumincluding setting up a monitoring and evaluation framework.

UNESCO: Reducing HIV-related Vulnerability, Stigma and Risk among Youth Through Education | United Nations Educational, Scientific and Cultural Organization