求翻译：了解和评价当前生态公益林效益，科学评价生态公益林保护工程建设成效，对生态公益林的生态功能进行科学、系统、正确地评价。是什么意思？

Understand and evaluate the effectiveness of the current ecological forests, scientific evaluation of the effectiveness of the construction of ecological forest protection, forest ecological functions of the ecological scientific, systematic and properly evaluated.

Understanding and evaluation of current ecological public good ecological public good benefits, scientific evaluation project for the protection of ecosystems, and public good progress in building the ecological features for scientific, systematic, and correct evaluation.

The understanding and the appraisal current ecology public welfare forest benefit, the science appraisal ecology public welfare forest protection engineering construction result, carries on the science, the system to the ecology public welfare forest ecology function, appraises correctly.

Understanding and evaluation of the current ecological forest benefit, effectiveness of scientific assessment of ecological forests protection project construction on the ecological public welfare forest ecological functions science, systems, proper evaluation.

Understand and evaluate the effectiveness of the current ecological forests, scientific evaluation of the effectiveness of the construction of ecological forest protection, forest ecological functions of the ecological scientific, systematic and properly evaluated.