Selection is a very important step in library information resource digitization project.
内容选择是图书馆信息资源数字化项目的一个重要步骤。
Library information resource digitization projects need high investment and also require cost saving.
图书馆信息资源数字化需要资金的高投入，应当节约成本。
Library information resource digitization is a premise and condition of the construction of digital library.
图书馆信息资源数字化是数字图书馆建设的前提和条件。
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