Until now, there are 6552km High Speed Railway in used in China.
截至目前，我国已正式开通运营的高速铁路已达6552公里。
The high-speed railway is new in China. Its safety is of great importance.
高速铁路作为我国铁路运输的一种新形式，安全对其来说更显重要。
The high-speed railway is new in China. Its safety is of great importance.
高速铁路作为我国铁路运输的一种新形式，安全对其来说更显重要。
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