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Abstract The technology of wheel /rail system for high speed railways is a key to guarantee high speed running safety of trains. The influence factors for technical condition of wheel/rail system are: highest running speed, transportation organization, locomotives and cars, track structure, etc. These main problems should be researched deeply. Combined with the situations of high speed railways in Japan, Germany, etc., the paper proposes the problems existing in the design and operation works, provided as reference to set new tasks for the research.
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Received: 28 December 2002
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2003, Vol. 20 
