Discusses the mode of trial and promotion of online resources, and makes a preliminary analysis and conclusion on the evaluating contents and indexes of online resources.
探讨网络电子资源购前的试用和推广方式，并对电子资源的评价内容和指标进行初步分析和总结。
Discusses the mode of trial and promotion of online resources, and makes a preliminary analysis and conclusion on the evaluating contents and indexes of online resources.
探讨网络电子资源购前的试用和推广方式，并对电子资源的评价内容和指标进行初步分析和总结。
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