本系统主要实现了支持多条件查询、批量填写进货单及销售单、与代理商和供应商往来账本明细，绝不存在假账、漏账、差账等情况、图表分析月销售状况、当外界环境（停电、网络病毒）干扰本系统时，系统可以自动保护原始数据的安全、强大的报表打印等功能。(This system mainly realizes the multi condition query, batch fill in the purchase and sales orders, and agents and suppliers with details, not the existence of false accounts, leakage accounts, bad debts and other circumstances, chart analysis of monthly sales situation, when the external environment (power failure, network virus) interference with the system, safe, powerful print function of the system can automatically protect the original data.)