可以实现委托（物品信息、可提出保留价），公告（物品信息、保留价），多次竞价，成交或流排等模块。维护拍卖过程各个环节的所有信息，最后保留所有物品的拍卖结果信息。-Can entrust (items of information may be made reserve price), announcement (items of information, reserve price), multiple bidding, auction or stream discharge and other modules. Maintain all information in all aspects of the auction process, the final auction results for all items retained information.