512 TED-ED 磁悬浮列车是如何工作的

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To coincide with the 1964 Tokyo Olympics, Japan launched a groundbreaking bullet train that inspired countries around the world to invest in high-speed rail. Today, high-speed trains regularly travel at over 300 km/h, on par with the take-off speed of a commercial airplane. But can it ever be faster than flying? Ning Zhao details the possibilities and hurdles facing high-speed rail transit. 
为配合1964年东京奥运会，日本推出了划时代的新干线子弹头列车，这一创举激励世界各国纷纷投入高铁建设。如今，高速列车通常以超过300公里/小时的速度运行，与商用飞机的起飞速度相当。但它能比飞行更快吗？赵宁（Ning Zhao）详细阐述了高速铁路交通面临的种种可能性和障碍。