画面中以青年人和中年人、科技人员与工人这两种形象作为主体，以中间富有科技的桥梁作为媒介，彰显奋楫出发共享美好未来的概念。

In the picture， the two images of young people and middle－aged people， scientific and technological personnel and workers are taken as the main body， and the bridge rich in science and technology is used as the medium， highlighting the concept of moving forward to share a better future．