【摘要】 从我国铁路客运信息网的实际出发，采用结合线数方法将路网规模缩小后，描述了以距离与换线结合为单目标的启发性求解算法。该算法已通过编程实现并广泛应用更多还原

【Abstract】 Based on the practical situations of the information network of our national railway passenger trans portation and contractingthe scale ofrailway network by applyingthe method of combinatorytheory ,the paperde scribes an innovative solving algorithm by combiningthe distance with changedlinesinto a single object.Now this algorithm has been accomplished in making programming and has been applied into the practical use .更多还原