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"decomposition" in Chinese : n. 1.分解，分析，溶解，還原(作用)。 2.腐朽，解 ...
"hierarchical functional decomposition" in Chinese : 層次功能分解
"hierarchical process decomposition" in Chinese : 過程的層次分解
"decomposition" in Chinese : n. 1.分解，分析，溶解，還原(作用)。 2.腐朽，解體。
"a hierarchical structure" in Chinese : 等級結(jié)構(gòu)
"hierarchical addresses" in Chinese : 分級地址
"hierarchical addressing" in Chinese : 層次編址; 分層尋址
"hierarchical analysis" in Chinese : 層級分析
"hierarchical approach" in Chinese : 分級編碼和測試法
"hierarchical block" in Chinese : 放置分等級塊電路
"hierarchical chart" in Chinese : 層次結(jié)構(gòu)圖; 層構(gòu)圖; 異核鎖信號
"hierarchical classification" in Chinese : 分層分類; 分級分類; 級系分類; 有層次的安全級別; 組內(nèi)分組
"hierarchical clustering" in Chinese : 分級群聚, 分層群聚

Hierarchical method : create a hierarchical decomposition of the set of data objects .
層次的方法：對給定數(shù)據(jù)對象集合進(jìn)行層次分解。
The basic idea for hierarchy - based method is that creating and maintaining a tree of clusters and sub - clusters according to some kind of criterion to measure the distance of clusters , the procedure will be sloped until some terminal conditions are satisfied . hierarchical clustering method can be further classified into agglomerative and divisive hierarchical clustering , depending on whether the hierarchical decomposition is formed in a bottom - up or top - down fashion . most hierarchical clustering methods can produce the better results when the clusters are compact or spherical in shape . but they do not perform well if the clusters are any shape or there are outliers . a main reason is that the most hierarchical clustering methods employ medoid - based measurement as distance between clusters
基于層次方法的聚類的基本思想足：根據(jù)給定的簇間距離度量準(zhǔn)則，構(gòu)造利維護(hù)一棵由簇利子簇形成的聚類樹，直至滿足某個終結(jié)條件為止。根據(jù)層次分解是自底向上還是自頂向下形成，層次聚類方法可以分為凝聚的( agglomerative )和分裂的( divisive ) 。人多數(shù)層次聚類算法在緊密簇或球形簇結(jié)構(gòu)下能夠產(chǎn)生較好的聚類效果。