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{{lead too short|date=October 2019}}

{{lead too short|date=October 2019}}

“系统”是所构成整体中的一组[[相互作用]]或相互关联实体的集合。

“系统”是所构成整体中的一组[[相互作用]]或相互关联实体的集合。系统由其时空边界所描述，即被外界环境所包围、影响的时空范围；系统也由其结构和目的所描述，表达为功能。系统是[[系统理论]]的研究对象。

A '''system''' is a group of [[Interaction|interacting]] or interrelated entities that form a unified whole.<ref name="merriam-webster-system">ងថហក

A '''system''' is a group of [[Interaction|interacting]] or interrelated entities that form a unified whole.<ref name="merriam-webster-system">ងថហក

{{cite web|url=http://www.merriam-webster.com/dictionary/system|title=Definition of ''system''|website=Merriam-Webster|location=Springfield, MA, USA|accessdate=2019-01-16}}

{{cite web|url=http://www.merriam-webster.com/dictionary/system|title=Definition of ''system''|website=Merriam-Webster|location=Springfield, MA, USA|accessdate=2019-01-16}}

 

</ref> A system is described by its spatial and temporal boundaries, surrounded and influenced by its environment, described by its structure and purpose and expressed in its functioning. Systems are the subjects of study of [[systems theory]].

</ref> A system is described by its spatial and temporal boundaries, surrounded and influenced by its environment, described by its structure and purpose and expressed in its functioning. Systems are the subjects of study of [[systems theory]].

==词源学 Etymology==

==词源学 Etymology==

“System”从最先的希腊语"σύστημα"及由此演变的[[拉丁语]]的"systēma"而来：由几个部分组成的整体，系统，字面上的"composition"。

“System”从最先的希腊语"σύστημα"及由此演变的[[拉丁语]]的"systēma"而来：由几个部分组成的整体，系统，字面为"composition"。