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"Compared with other types of urban rail transportation, maglev trains are quiet and can achieve high speeds because they don't actually ride on the rails with wheels but hover centimeters above the track through the use of magnets, avoiding the slower speeds caused by friction," said Sun Fuquan, a researcher at the Chinese Academy of Science and Technology for Development in Beijing.

"Chinese culture and books are inseparable overseas, and most foreigners get to know Chinese culture from these books," said Zhu Yongliang, deputy president of Zhejiang Publishing United Group.

"Chinese companies are shifting their focus from quantity to quality. Instead of unveiling new products almost every month, they realize that one premium flagship model has greater appeal to consumers," said Xiang Ligang, CEO of telecoms industry website Cctime.

"China's massive progress toward using more clean energy has been accelerating over the past few years, and this trend is unlikely to change in the short to medium term," said Joseph Jacobelli, an energy analyst and Asia-Pacific CEO of clean energy producer Joule Power.

"Compared with general cultural relics, books are more fragile and more difficult to preserve," Chen said. "However, the reason why we can trace the roots of Chinese civilization today is largely attributed to these textual recordings."