The product modeling design is changing along with the level of needs. 产品造型的设计是随着需要的层次变化而变化的。
Technical development makes the product modeling be satisfied unceasingly in the practical and in the aesthetic need, and form the need of the symbolic meaning. 技术的发展，使得产品造型在实用和审美的需要上，不断得以满足，并形成象徵意义的需要。
