在物质的分子结构与其理化性质的关系研究中，拓扑指数法具有方法简单、准确性高、适用性广等优点而倍受关注。分子的拓扑指数是表征分子结构图中某种特征的不变量，它实现了化学结构的数字形式的表达。“一种新的分子拓扑指数的提出应该同时具备高的选择性（即唯一性）和... In the study of the relationship between the molecular structure of a substance and its physicochemical properties, the topological index method has drawn much attention due to its advantages of simple method, high accuracy and wide applicability. The topological index of a molecule is an invariant characterizing a feature in the molecular structure diagram, which realizes the numerical representation of the chemical structure. "The proposal of a new molecular topological index should have both high selectivity (ie, uniqueness) and ...