Relation between Maxwell′s Theory and Relativity,and its Application in Electromagnetism;
狭义相对论与麦克斯韦电磁理论的关系及其在电磁学中的应用
The product design drawing methods mainly include the pale color painting,gouache,watercolor picture,color powder picture,marker drawing and the computer aided design.
产品设计绘画方法主要包括淡彩画、水粉画、色粉画、麦克笔画和计算机辅助设计。