5HOWE M S. The compression wave produced by high- speed train entering a tunnel [ C ]// Proceedings of the Royal Society. London, 1998: 1523-1534.
6BARON A, MOSSI M, SIBILL S. The alleviation of the aerodynamic drag and wave effects of high-speed trains in very long tunnels [ J ]. Journal of Wind Engineering and Industrial Aerodynamics, 2001, 89: 365-401.
7WYCZALEK F A. Maglev transit technology in Russia [ C]//Proceeding of Maglev'93, 13th International Con- ference on Magnetically-Levitated Systems and Linear Drives. France: Argonne National Lab, 1993: 88-93.