A researcher introduces the growing process of crystal to visitors at a lab of the Institute of Physics in the Chinese Academy of Science (CAS) in Beijing, capital of China, May 20, 2017. A total of 116 research institutes of the CAS throughout China participated the 13th "Public Science Day" starting on Saturday. (Xinhua/Jin Liwang)
CAS research institutes participate "Public Science Day" in China
Source: Xinhua| 2017-05-21 11:11:32|Editor: Hou Qiang
KEY WORDS: Public Science Day
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