High speed trains and electric locomotives

High speed trains (bullet trains), also known as high-speed trains or bullet trains, refer to trains that can operate continuously at high speeds, with a maximum speed generally exceeding 200km/h. High speed trains belong to modern high-speed transportation vehicles and are a concentrated embodiment of cutting-edge science and technology in trains. They can significantly increase the travel speed of trains and thus improve the efficiency of train transportation. High speed trains are fast, comfortable, stable, safe, energy-saving and environmentally friendly, and are highly welcomed by contemporary people. Countries around the world strongly support the use of new high-speed trains to meet the growing demand for travel. The main disadvantages of high-speed trains are: expensive overall cost, high maintenance cost, great technical difficulty, basic dependence on electricity, and strict requirements for the railway system

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