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China's manned submersible "Jiaolong" is despatched on its fifth, and last, dive of the year in the Mariana Trench, June 1, 2017. (Xinhua/Liu Shiping)
Xinhua Headlines: China spends big on IPR royalties, values innovation more
Source: Xinhua| 2019-04-11 16:27:12|Editor: Xiang Bo