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运用技术经济原理，建立铁路运输业的生产函数，通过技术进步与经济增长的综合评估，预测２０００年铁路技术进步的发展．
Through the use of technical and economic principles, the production function of the railway transportation industry is established. Through the comprehensive assessment of technological progress and economic growth, the development of railway technological progress in 2000 is predicted.