后台系统是针对超市管理员的，主要实现的是对网站信息的维护。
System is against the background of the supermarket managers, is the main message of preserving the site.
其中后台系统是针对系统管理员的，主要实现对网站信息的维护。
Which back-office systems for system administrators, mainly to achieve the maintenance of information on the site.
该系统主要由前台信息发布网站和后台管理维护系统两部分构成；
The system is mainly composed of the part system website and the backstage management maintenance;
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