用于鉴定一些将要区分的聚群之方法通常称为 聚类 过程.Methods: Used to identify the clusters which should be distinguished are commonly called " clustering procedures ".这种算法结合密度聚类和层次聚类两种思想.The clustering method combines the density and the hierarc...
他给小费出手慷慨,侍者都喜欢他.The waiters liked him for being a big tipper.同时你不必给小费.And you don't have to tip the stewards like you do when you go by ship.在自己动手的自助餐馆里,一般无需给小费.Tips are generally not required at cafeterias where yo...