Inevitably, there exist the problems of the product quality of the works, the resource environment and the subjectivity of cognition and the lack of integrity on statistical data.

这样不可避免地存在劳动力产品的质量问题、劳动者所处的资源环境问题以及人们认识上的主观性、统计数据的不完整性等问题。

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This paper introduces the cognition on the design practice teaching, expounds the functions and significance of offering the preliminary introduction of product design.

介绍了对设计实践教学的认识，阐述了开设产品设计初步课程的作用和意义。

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Therefore, there are important theoretical and practical significances to study the subject that the impact of text structure and product types to advertisement cognition.

因此，研究广告文案结构和产品类型对广告认知的影响有重要的理论意义和现实意义。

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