The design of the software includes three parts as following: the network communication between PC and controller, NAT9914 firmware and DLL (dynamic link library) program.

软件部分的设计共包括三大部分：PC机与控制器间的网络通信机制，NAT9914固件程序以及动态链接库程序。

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Then, analysis of existing mainstream communication technologies to design the show programs of communication network, and raised a lot of display module communication network of the program.

再次，分析研究了现有的主流通信技术，设计出通信组网展示方案，并提出了各展示模块的通信组网方案。

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Then, analysis of existing mainstream communication technologies to design the show programs of communication network, and raised a lot of display module communication network of the program.

再次，分析研究了现有的主流通信技术，设计出通信组网展示方案，并提出了各展示模块的通信组网方案。

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