The basic theory of literature selection is that select those literatures whose probability use-value is higher at the same cost.
文献选择是文献采集的核心，文献选择的基本原理是在成本相同的情况下，优先选择概率使用价值大的文献。
The basic theory of literature selection is that select those literatures whose probability use-value is higher at the same cost.
文献选择是文献采集的核心，文献选择的基本原理是在成本相同的情况下，优先选择概率使用价值大的文献。
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