In the wisdom of the city's top-level design, the realization of efficient resource sharing, interoperability, unified platform.
在智慧城市庞大的顶层设计中，实现了高效的资源共享、互联互通、平台统一。
But most conventional CAD systems are in single form, and they have much inherent limitation such as long period of product-design, bad resource sharing, hard management and low openness.
但传统的CAD系统多以单独系统设计为主要形式，具有产品设计开发周期长、资源共享性低、管理维护困难、开放性差等固有局限性。
Finally, a design of several key modules in P2P-based resource sharing system is given as well as the views towards the next step and prospect.
最后对系统关键模块进行了详细的分析与设计并对未来的研究工作进行了展望。
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