一、概念图概述概念是指某一领域知识所包含的概念,其中关键概念是概念图的主题,是最基本的概念,放在概念图的最上端。分支就是与关键概念相连的线,是指某一领域中知识概念的分类,每个分支下的概念都属于一个分支。水平层次是指每一分支中的概念及概念的外延,按概念的 First, the concept map Overview Concept refers to the concept of a domain knowledge, including the key concept is the theme of the concept map is the most basic concept, on the top of the concept map. A branch is a line connected with a key concept, which refers to the classification of the concept of knowledge in a certain field. The concepts under each branch belong to one branch. Horizontal level refers to the concept and concept of each branch of the extension, according to the concept