注：铁路里程为哈尔滨铁路局在黑龙江省境内数据。

Note: Length of Railways in Operation is data of Harbin Railway Bureau in churchyard of Heilongjiang Province.

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今天，其拥有的高速铁路里程数已经超过了全欧洲，预计到2012年，这一数字将超过世界上其他所有国家的总和。

Today, it has more than Europe and by 2012, it will have more than the rest of the world put together.

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京张高速铁路于2019年12月开通。这条铁路是中国铁路发展的一个里程碑，因为它采用了铁路建设的最新技术。

The opening of the Beijing-Zhangjiakou high speed railway took place in December, 2019. The railway is a milestone in China's railway development because it has used the latest technologies in railway building.

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