机译:Theoretical Research on Longitudinal Profile Design of Superhighways
Northeast Forestry Univ, Sch Transportat, Harbin 150040, Peoples R China|Univ Wisconsin, Sch Civil Engn, Madison, WI 57305 USA;
Northeast Forestry Univ, Sch Transportat, Harbin 150040, Peoples R China;
Univ Wisconsin, Sch Civil Engn, Madison, WI 57305 USA|Southeast Univ Univ Wisconsin Intelligent Network, Madison, WI 53706 USA;