这五大关键领域分别是：应用（applications）、系统基础构架（system infrastructure software）、平台即服务（ platform as a service，简称PaaS）、服务器（ servers）以及基本存储（ basic storage）。
基于12个网页-相关网页
SV - 2系统通信描述为物理节点及其相关的通信基础构架建模。
SV-2 Systems communications Description Models physical nodes and their related communications infrastructure. Composite structure Diagram Deployment Diagram 6.
一个软件构架的绝大多数元素都是来自于先前类似的系统，也就是另一个性能基本类似的系统，或者在技术文献的基础上建立的构架。
Most elements of a software architecture are derived from a previous system of the same kind, another system with overall similar characteristics, or an architecture found in technical literature.
在分析了该系统的应用特点的基础上，根据体系所内涵的管理思想，结合ISO9001标准要求，设计出符合体系要求的管理与监测的软件构架。
The framework of this software system is conceived, which combined with requirement of ISO9001 and its inner management ideology on analysis of its application background.
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