求翻译：人性化的产品设计是人的行为的目的性的升华。人性化的产品设计可以兼顾生理和心理的需求。举个例子，一个普通的螺丝刀，使用时习惯性顺时针转动，因为手掌与手柄的接触只有一个硬币大小，受力的时候产生疼痛，再设计的螺丝刀在普通螺丝刀的作用上考虑更全面，通过增加接触面积来降低痛楚，而且提高效率，一举两得。是什么意思？

User-friendly product design is the purpose of human behavior sublimation. User-friendly product design can be both physical and psychological needs. For example, an ordinary screwdriver, clockwise rotation of habitual use, because hand contact with the handle only one coin size, the force generated

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The user friendly product design is human's behavior sense of purpose sublimation.The user friendly product design may give dual attention to physiological and the psychological demand.Cites an example, an ordinary screwdriver, when use routine turn clockwise, because of palm of the hand and handle

User-friendly product design is the sublimation of the fulfillment of human behavior. User-friendly product design can be both physiological and psychological needs. For example, an ordinary screwdriver, habitual clockwise rotation when used because only one hand contact with the outside of the coin

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