38 indicators are abstracted in order to evaluate the environment conditions in China from 1990s. Then evaluation is carried out with the method of analytic hierarchy process and factor analysis.
38 indicators are abstracted in order to evaluate the environment conditions in China from 1990s. Then evaluation is carried out with the method of analytic hierarchy process and factor analysis.
所谓“层次分析法和因子分析法相结合的方法”是就“38个指标”而言。此句不可分开，分开意思就不对了。