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
Members of China's 36th Antarctic expedition team collect conductivity, temperature and depth (CTD) data at China's polar icebreaker Xuelong 2 in the Southern Ocean, Dec. 17, 2019. (Xinhua/Liu Shiping)
Members of China's 36th Antarctic expedition team collect conductivity, temperature and depth (CTD) data at China's polar icebreaker Xuelong 2 in the Southern Ocean, Dec. 17, 2019. (Xinhua/Liu Shiping)