1 Foreword In the early 21st century, the chronic shortage of railway transport capacity has become the primary bottleneck inhibiting the continual high-speed growth of China's society and economy.Given its robust transport capacity, outstanding safety records, high level of comfort, friendly environment, and good sustainability, high-speed rail has turned out to be the megatrend of railway development and is an inevitable choicein response to the severe shortage of transport capacity.
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