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Pic story: An expert's "rail" life (3)
(Xinhua) 08:41, November 10, 2021
Photo taken on Nov. 4, 2021 shows books written by Wang Qichang in Chengdu, southwest China's Sichuan Province.(Xinhua/Liu Kun)
In the year of 2012, Wang, who is about 80 years old, began to focus on sound barrier technology along the high speed railway, which at that time is a gap in China.
After three years of hard work, Wang and his team overcame numerous technical difficulties and finally got success. The evaluation results showed that its key technologies reached the international leading level.
(Web editor: Zhong Wenxing, Liang Jun)
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