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。
Analytic hierarchy procedure was used to determine the weighing values for assessment index of engineering materials. 摘要引入层次分析法，研究工程材料评价指标权重的确定。
