User investigation is important in the evaluation of service quality and improvement of service level.
读者调查对评估图书馆的服务质量，提高服务水平很重要。
The investigation form was designed and implemented for user interest information collection.
本文的工作中采用调查表法来获取用户的信息。
The investigation form was designed and implemented for user interest information collection.
本文的工作中采用调查表法来获取用户的信息。
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