马上到“十一”小长假了,很多人会选择在这个难得的假期里出游。如今,我国的铁路和公路网建设飞速发展,高质量的公路路面和铁路、大跨度的桥梁科技含量越来越高,四通八达的高速铁路和高速公路网使得距离已经不是问题。其中,新材料的开发应用、科技水准更高的设计和施工……无不凝聚着广大科技人员的智慧和辛勤汗水。继世界最长的跨海大桥杭州湾跨海大桥建成后, Immediately to the “11” small holiday, and many people will choose to travel in this rare holiday. Today, the rapid development of China's railway and road network construction, high-quality highway pavement and railways, long-span bridges with increasing scientific and technological content, ease of access to high-speed rail and highway network makes the distance is not a problem. Among them, the development and application of new materials, higher technology standards of design and construction ... ... all without exception, the wisdom of the vast number of scientific and technological personnel and sweat. Following the completion of Hangzhou Bay Bridge, the longest cross-sea bridge in the world,