能够根据选择的资源和主题，建立恰当的检索式和检索途径，并得到基本满意有效结果。
Select less appropriate resources for the topic, apply less effective search strategy, retrieve low-satisfactory search results.
能够根据选择的资源和主题，建立恰当的检索式和检索途径，并得到基本满意有效结果。
Select less appropriate resources for the topic, apply less effective search strategy, retrieve low-satisfactory search results.
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