系统主要有添加，查找，删除，统计等功能模块组成。

System mainly have add, delete, statistics, such as search function modules.

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另外在系统管理中实现功能主要有商品信息的更新、添加新商品、订单处理等功能。

The main function of the system administration are updating the information of products, adding new products and processing the orders.

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