In cloud print, this paper USES block chain as the underlying technology, the implementation of large database to ensure the safety of mass data storage, and based on this foundation to carry out knowledge sharing service, easy to play article includes more than five thousand specialization vocabulary and its derivative data table, auxiliary ai machine training, in order to provide the knowledge in knowledge sharing service type map search, Expand the search range and precision by plane search, and build intelligent large screen. Cross-domain services result in a 40% conversion rate and a 4 times gross profit margin.
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