你肯定见过奔驰在地面上的汽车和火车,也见过翱翔在天空中的飞机,但你可能从来没有见过悬挂在空中的列车。可是,没见过不等于没有。2016年11月21日,世界上首条新能源空中悬挂式轨道列车在成都投入试运行。这种空中悬挂式轨道列车被人们形象地称为“空铁”。那么,这种令人耳目一新的交通运行方式具有哪些鲜明的特色呢?一、构建立体交通新模式 You must have seen Mercedes cars and trains on the ground, as well as aircraft flying in the sky, but you may have never seen a train suspended in the air. However, not seen does not mean no. On November 21, 2016, the world’s first new energy air suspension track train was put into trial operation in Chengdu. This type of aerial suspended rail train is vividly called “air iron.” Then, what are the distinctive features of this refreshing traffic operation? First, build a new model of three-dimensional traffic