The idea of saving is always carried out in the development of this system. All the processes of system development are developed by myself, and the technologies used in the development process are also free and easy to operate in the market, so there is no need to ask professionals to spend money to develop the system.<br> I also learned more knowledge in the process of project development. The developed system can have free reference in the network, and the sub-system has no high requirements for computer software and hardware. Therefore, this project is very affordable and completely feasible in terms of economy.
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