This article describes the outline and hardware structure that design system in detail.
文中详细叙述了系统的硬件线路的设计要点以及结构。
First, carries on the USB system the outline and the system structure analysis.
首先，进行USB系统的概述和体系结构的分析。
With tight structure and graceful outline.
结构紧凑，造型美观。
With tight structure and graceful outline.
结构紧凑，造型美观。
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