Songyun Hu

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In order to make the search engine transfer information efficiently and accurately and do this optimization to improve the web search ranking, beginning with understanding the principle of search engine, this paper exports the specific explanation of search engine optimization. And then it introduces the new website building concepts and design concepts for(More)
The route choice to supply chain is discussed, and modeling method and formalized description based on color Petri net is presented. According to model characteristic, and solution of reverse route to supply chain network is used, and capability of parallel calculation is exerted fully. It shows that the model to supply chain is calculated automatically,(More)
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