Second part: Mainly discussed the comprehensive factors, which will affected the interaction between the elderly and the products, including: Physiological factor, psychological factor, social factor.
第二部分：主要分析了影响老年人与产品交互的主要因素，具体包括：生理因素、心理因素、社会因素。
Second part: Mainly discussed the comprehensive factors, which will affected the interaction between the elderly and the products, including: Physiological factor, psychological factor, social factor.
第二部分：主要分析了影响老年人与产品交互的主要因素，具体包括：生理因素、心理因素、社会因素。
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