英国爱丁堡大学的科学家开发出一种可用于监测铁路状况的红外相机.只要将这种相机安装在普通的列车上,当列车沿铁路运行时,就可发现铁路存在的隐患. 为分散列车对地面的压力,在铁路路轨下面,通常要铺设3层由花岗岩碎石块构成的道砟.新铺的道砟, Scientists at the University of Edinburgh in the United Kingdom have developed an infrared camera that can be used to monitor the state of the railroad, as long as the camera is mounted on a normal train, the hidden dangers of the railway can be found when the train runs along the railway, Under the pressure of the railroad tracks, it is usually necessary to lay out three layers of granite slabs,