实际工作中我们常遇到同一药品同一规格同时存在两种以上的有效价格（即价格多样化），做帐时十分困惑，如果不断地添加新帐页（多记录处理），一是麻烦，二是信息冗余量很大；如果不断地“刷新”（单记录单字段处理），则资金流平衡误差很大；大多数人采取折中的办法，即... In practice, we often encounter the same specifications of the same drugs exist at the same time more than two kinds of effective prices (that is, price diversification), the account is very confused, if you continue to add a new page (multi-record processing), one trouble, Is a great amount of information redundancy; if you constantly “refresh” (single record single field processing), then the balance of cash flow error is very large; most people take compromise approach, that ...