论文摘要下面的英文怎么说

As we know, different materials have different properties and characteristics in which attributed to their surfaces and form in different We use our sensing devices our vision and feeling may have different in feeling in terms of psychologically or

【 abstract 】 the essence of the different materials have different, reflected in the object surface, can form different texture, through vision and touch, will produce different feelings in heart and It directly affect the accessibility of people and Different material texture, and shape of product will produce different effect, this chapter through to the different material properties and texture of exploration, let we know, different material different skin texture, do not realize that the same material with different processing, also can form different skin texture, this chapter also discussed the material of different texture on the impact of product form 【 key words 】 material texture product design

写论文摘要时以一般现在时为主。介绍背景知识时，要用一般现在时，例如：S叙述研究现状时，也可以用一般现在时，例如：Thisessayistoanalysehowtheerainfluencescorporatecultures,叙述研究结果时，大多数用一般过去时，例如：O