方法通过需求分析寻找网络传输瓶颈，分析相关以太网技术。
Methods By analysing the demands and searching for the bottleneck of network transmission, analyzes the technology of related fast Ethernet.
通过需求分析，规范，选购技巧，对机型及配件做有针对性说明。
Through needs analysis, specification systems, purchasing skills, models and accessories to do a targeted note describes.
通过需求分析，确定了系统实现目标以及设计原则，对系统扩展要求进行了充分考虑。
Through the needs analysis to determine the system to achieve its objectives as well as design principles for system expansion requirements of the full consideration.
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