Distribution of transportation income: Freight rate can adjust the income distribution between transportation industry and other industries of national economy. Freight rate is an important part of the social comprehensive price system, and the change of freight rate will cause the corresponding change of transportation demand.
The most important machine in human history, called steam locomotive in the early days, has an independent orbit. Railway trains can be divided into freight cars and passenger cars according to their load capacity, and there are also mixed passenger and freight cars, but they will produce a lot of carbon dioxide and pollute the environment.
Development of high-speed trains;
Since 265438+20th century 10, all countries have been developing high-speed trains, such as the high-speed train from Paris to Lyon, France, with a speed of 300 kilometers per hour; The speed of the high-speed train from Tokyo to Morioka in Japan has also reached more than 250 kilometers per hour. People are still greedy and dissatisfied with such high-speed trains.
France, Germany and other countries took the lead in developing maglev trains. China built the world's first commercial maglev train line in Shanghai, from Longyang Road Station to Pudong Airport. This line loses hundreds of millions of RMB every year. This kind of train is suspended on the track, with a top speed of 400-500 kilometers per hour, but it consumes a lot of energy and radiation.
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