# externality ##### 词义 - #词性/n 外部性；外形；（经济学名词）外部效应；外在性；外部事物 ##### 例句 - The accurate mathematical externality of the target was established with surface generation method in computer graphics , which was dispersed into triangular facets . Relationships between the geometrical elements were described with topological structure . - 应用计算机图形学中的曲面造型方法给出目标精确的数学外形，将之离散为三角面元，并采用拓扑结构来描述几何元素之间的关系； - Conclusion With the advantages of small wound area , higher survival rate of flap , and externality recovers well with prognosis function , etc , the sideward axial pattern skin flap is a very efficient operation method for curing actual anal scar straitness deformity . - 结论：使用邻位轴型皮瓣治疗真性肛门瘢痕狭窄畸形有手术损伤范围小，皮瓣成活率高，功能外形恢复好等优点，是治疗肛门瘢痕狭窄畸形的一种较好的手术方法。 - Clearly , there are enormous externalities on health costs and debilitation on society . - 很明显，医疗费用支出和人们身体虚弱有很多客观原因 ##### 形态 - #形态/word_pl externalities