Aiming at difficult sorting and retrieving complicated structure parts in part lib, a method for part design by using conceptual part structure qualitative models is presented.
针对零件库中复杂结构零件难以分类和检索问题，提出一种基于概念零件结构定性模型的零件设计可重用方法。
Because the GIUH depends only on the parameters of geomorphology and flow velocity of channel network, it may provide a new parameter estimation method for conceptual models of CFW.
考虑到GIUH只取决于河网地貌参数和流速参数，故它可为概念性流域汇流模型提供一个新的确定参数的方法。
To estimate the geometric characteristics, especially wet areas and section areas, of three dimensional numerical conceptual aircraft models, a method based on surface elements is proposed.
为了获取三维数值化概念机模型的浸润面积和横截面积等几何特性，本文提出了一种基于离散化面元的估算方法。
To estimate the geometric characteristics, especially wet areas and section areas, of three dimensional numerical conceptual aircraft models, a method based on surface elements is proposed.
为了获取三维数值化概念机模型的浸润面积和横截面积等几何特性，本文提出了一种基于离散化面元的估算方法。
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