Development trend of high-speed rail;<br> First, the high-speed rail operating lines will be further expanded.<br> Second, high-speed rail technology will continue to improve.<br> Third, the operational efficiency of high-speed rail will be further improved.<br> Fourth, the high-speed rail industry chain will be gradually improved.<br> 5. High-speed rail will continue to "go global" and become the world leader in the field of high-speed rail.
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