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Bai Chunli, president of the Chinese Academy of Sciences (CAS) speaks during a strategy and policy high-level forum of CAS in Beijing, capital of China, Sept. 12, 2019. (Xinhua/Jin Liwang)
Bai Chunli, president of the Chinese Academy of Sciences (CAS) speaks during a strategy and policy high-level forum of CAS in Beijing, capital of China, Sept. 12, 2019. (Xinhua/Jin Liwang)