BEIJING, Feb. 16, 2016 -- Hu Wenrui (C), academician of Chinese Academy of Sciences (CAS), introduces "Taiji Program in Space" during a press conference in Beijing, capital of China, Feb. 16, 2016. The CAS has made some achievements in Taiji Program in Space since a research group aiming to detect gravitational wave was set up by the CAS in 2008. (Xinhua/Jin Liwang)
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