简单说，一个系统是一个复杂实体，提供了一些价值的真实结果。
Put simply, a system is a complex entity that provides some tangible result of value.
环境级别将整个系统视为一个单一的实体：黑盒子。
The Context level treats the entire system as a single entity: a black box.
封闭系统的证书权限是一个实体的一部分。
The closed system has a certificate authority as part of one entity.
在实体之外无法知道系统的输入和输出边界。
Outside entities cannot know where the input and output boundaries of your system are.
此模型描述系统中的实体及其关系。
It describes the entities in the system and their relationship.
这个实体可以是一个人，也可以是一个系统。
科恩：我们深知，重中之重莫过于建立实体安全系统。
Cohen: We understand that the highest priority has to be a physically secure system.
根据业务实体分析对系统数据库进行设计。
According to the business entity analysis the paper design the system database.
管理系统的实体结构包括管理主体，管理客体以及管理组织。
The entity organization of management system includes management subject, management object and management organization.
高级实体管理系统HEMS ？
该CAD系统实现了产品实体造型与性能分析的无缝集成。
The system realized the integration between solid modeling and the analysis of property.
网络中的卫星节点是具有星载系统的智能实体。
Satellite in space is intelligent node with computing resource.
网络中的卫星节点是具有星载系统的智能实体。
Satellite in space is intelligent node with computing resource.
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