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第131行： − 大多数层次结构按其主体不同而适用更具体的词汇，但其背后的理念是相同的。例如，在数据结构中，对象成为节点，上级称为父级，下级成为子级。在商业环境中，上级是主管/老板，同级即同事。+ 第173行：
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→名称 Nomenclature
*** a '''direct''' interaction occurs when one object is on a level exactly one higher or one lower than the other (i.e., on a [[tree (graph theory)|tree]], the two objects have a line between them)
*** a '''direct''' interaction occurs when one object is on a level exactly one higher or one lower than the other (i.e., on a [[tree (graph theory)|tree]], the two objects have a line between them)
***，一个对象比另一个刚好高一等级或第一等级时（例如在树形图中两个对象间有连线）发生'''<font color="#ff8000">直接 Direct</font>'''交互
***，一个对象比另一个刚好高一等级或低一等级时（例如在树形图中两个对象间有连线）发生'''<font color="#ff8000">直接 Direct</font>'''交互
** '''[[Distance (graph theory)|Distance]]''': the minimum number of connections between two objects, i.e., one less than the number of objects that need to be "crossed" to trace a [[path (graph theory)|path]] from one object to another
** '''[[Distance (graph theory)|Distance]]''': the minimum number of connections between two objects, i.e., one less than the number of objects that need to be "crossed" to trace a [[path (graph theory)|path]] from one object to another
**'''<font color="#ff8000">距离 Distance</font>'''：两个对象间的最小连接数，例如若连接数比对象数少1则需要一个对象到另一个路径交叉
**'''<font color="#ff8000">距离 Distance</font>'''：两个对象间的最小连接数，例如若连接数比对象数少1则需要一个对象到另一个对象的路径交叉
大多数层次结构按其主体不同而适用更具体的词汇，但其背后的理念是相同的。例如，在数据结构中，对象称为节点，上级称为父级，下级称为子级。在商业环境中，上级是主管/老板，同级即同事。
An overlapping hierarchy<!--per WP:R#PLA, this SHOULD be bold--> is a branching hierarchy in which at least one object has two parent objects. For example, a graduate student can have two co-supervisors to whom the student reports directly and equally, and who have the same level of authority within the university hierarchy (i.e., they have the same position or tenure status).
An overlapping hierarchy<!--per WP:R#PLA, this SHOULD be bold--> is a branching hierarchy in which at least one object has two parent objects. For example, a graduate student can have two co-supervisors to whom the student reports directly and equally, and who have the same level of authority within the university hierarchy (i.e., they have the same position or tenure status).
'''<font color="#ff8000">重叠层次结构</font>'''是指其中至少有一个对象具有两个父级对象的分支层次结构。例如，一个研究生可以有两个联合主管，学生可同等地直接向他们汇报，且二人在大学层级制度中具有同等的权力水平(例如他们都拥有相同的职位或任期)。
'''<font color="#ff8000">重叠层次结构</font>'''是指至少有一个对象具有两个父级对象的分支层次结构。例如，一个研究生可以有两个联合主管，学生可同等地直接向他们汇报，且二人在大学层级制度中具有同等的权力水平(例如他们都拥有相同的职位或任期)。
==术语历史 History of the term==
==术语历史 History of the term==