METHODS: The traditional drug trading mode, the public bidding mode and the electronic commerce (EC) mode were analyzed and compared regarding their merits and demerits.
方法：对药品的传统交易方式、集中招投标交易方式和电子商务交易方式进行分析，并作优劣对比。
It becomes the major way that purchasing books through public bidding in recent years. It changes traditional acquisition mode, makes new requirement to the acquisition work.
近年来，图书采购招标成为图书采购的主要方式，它改变了传统的采访模式，对采访工作提出了新的要求。
It becomes the major way that purchasing books through public bidding in recent years. It changes traditional acquisition mode, makes new requirement to the acquisition work.
近年来，图书采购招标成为图书采购的主要方式，它改变了传统的采访模式，对采访工作提出了新的要求。
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