It is an advanced subject in the studies on FRD to develop the indicator system of the county-level region forest resources difference and its comprehensive assessment method. 县级区域森林资源差异性评价指标体系和综合评价方法，是森林资源差异性研究的前沿课题。
Therefore, to establish the highway construction enterprise credit appraisal target system is imperative. 因此，建立公路施工企业信用评价指标体系势在必行。
