平板折叠桌结构简单，造型美观，通过桌腿的翻转形成美丽的直纹曲面。本算法旨在通过稳固性，加工方便，用料最少三个方面建立数学模型，得出平板桌设计的最优方案。(The plate folding table has simple structure and beautiful shape, and forms beautiful straight surface through the flip of the table leg. This algorithm aims at stability, e