<正>在综合考虑多因素围岩分类法的基础上，引入模糊理论，结合公路隧道特定围岩地质条件的岩体块度、强度、软化系数等多个影响因素，建立围岩模糊分类模型。计算各影响因素的隶属度，按照最大隶属度原则定量判定围岩类别。并将模糊数学围岩分类方法应用于南京老山隧道工程建设中。

Based on the investigations of the vegetation and the collection of samples,the flora composition of Mt. Mufu were analyzed and it’s characteristics were concluded: the flora in this area has transitional feature from tropic to temperate. According to the comparison of flora in Mt. Mufu and its circumferential areas, the author find the geographical composition of flora in Mt. Mufu, Mt. Langya and Mt. Qingliang is similar in general, and the majorities vary from the temperate to the tropic distribution types.