概念图的要素 概念(concepts)、命题(propositions)、交叉连接(cross-links)和层级结构(hierarchical frameworks)是概念图的四个要素。 1、概念是感知到的事物的规则属性，通常用专有名词或符号进行标记。
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Second, two frameworks for concept modeling such as function – capability hierarchical graph and entity structure hierarchical graph were proposed.
提出了功能-能力层次图与实体结构层次图两个建模框架。
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Hierarchical command-and-control styles of leadership are giving way to flatter and more collaborative leadership frameworks.
FORBES: Humanity Is Job #1
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