多路径超音波断面影像技术
Ultrasonic tomography technique
城市沥青道路路面
city bitumen road surface
高等级公路路面抗滑石料
highway pavement stone sliding
公路路面早损
breakage of highway pavement in early time
重载车辆-路面-路基垂向动力分析模型
vertical dynamical analysis model of heavy vehicle-pavement-subgrade
半球面影像
hemispherical photographs
hemispherical photography