The normality test of the synthetical evaluation index is conducted by using the kurtosis and skewness coefficients of the synthetical evaluating indexes. 利用綜合評估指數序列的峰度系數和偏度系數對綜合評估指數進(jìn)行了正態(tài)性檢驗。
According to the environmental evaluation indices, Tibet's ecology, which basically remains in its primordial condition, is the best in China in terms of environmental conditions. 環(huán)境評估指數表明，西藏生態(tài)基本上還處在原生狀態(tài)，是全國環(huán)境狀況最好的地區。
