By calculating the grey associative degree, the different disastrous conditions of natural disaster are compared and analyzed. 用計算自然災害不同災情的灰色關(guān)聯(lián)度的方法，來(lái)對不同災情進(jìn)行比較分析。
With the characters of mine management conditions the fuzzy hierachical analysis model based on the grey relation degree is presented. 針對礦山經(jīng)營(yíng)狀況評價(jià)的特點(diǎn)，在灰色關(guān)聯(lián)度的基礎上，建立了礦山經(jīng)營(yíng)狀況的模糊層次評價(jià)模型。
