鉴于这种情况，将最大拓扑公共子图法与编辑距离测量法相结合，提出了一种新的相似性测量方法。
In this new similarity measure, main structure of the graph is first measured according to the topological common subgraph.
在此基础上定义了模糊相似系数，并计算出模糊相似系数矩阵，进而采用“最大树”法将其划分为13个品种类群，为鄢陵素心腊梅类品种的进一步定名研究提供了数量依据。
And then the Yan-ling subus. praecox is divided into 13 classes by means of maximum tree met-hod. This provides a quantitive evidence for further naming the Yanling sub-us. praecox.
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