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19th National Science and Technology Week starts

Date:May 21, 2019    |  【 A  A  A 】

 

Children observe an experiment during a technology week event in Institute of Oceanology of Chinese Academy of Sciences in Qingdao, east China's Shandong Province, May 19, 2019. The19th National Science and Technology Week is held from May 19 to 26. (Xinhua/Zhang Jingang)


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