人类文明的演化以材料的跟进为标志。石器、青铜、铁器的相替代,蒸汽、电气、信息的相递进。就这样,一步步从混沌初开走进了信息时代。人类架桥的历史合在一起也毫不例外,当先民们从溪涧落石、横流睡木、藤萝飘荡等自然现象中受到启发,造出了第一架步桥、独木桥和悬索桥开始,从少到多,由粗至 The evolution of human civilization is marked by material follow-up. Replacement of stone, bronze, iron, steam, electrical, information phase. In this way, step by step from the beginning of chaos into the information age. The history of human bridges is no exception. When the ancestors were inspired by the natural phenomena of brook stream, cross-sleeping napkin and vines floating around, the first walking bridge was made and the beginning of single-wooden bridge and suspension bridge began. To many, from rough to