抽象的过程 什么是抽象? Abstraction is the process or result of generalization by reducing the information content of a concept or an observable phenomenon, typically to retain only information which is relevant for a particular purpose shttpen.wikipedia.org/wiki/abstraction>抽象的过程 • 什么是抽象？ Abstraction is the process or result of generalization by reducing the information content of a concept or an observable phenomenon, typically to retain only information which is relevant for a particular purpose. <http://en.wikipedia.org/wiki/Abstraction>