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CEPA refers to the economic and trade agreements that the Chinese mainland reached with HK and Macao. The main document was signed in 2003.

CHANGSHA -- A mudslide in Central China's Hunan province Saturday afternoon killed three people, leaving another 19 injured and five missing, according to local governnment.

By the end of March, more than 17,700 5G base stations have been built across Beijing.

By experimenting in cells and mice, the researchers have identified and verified that a protein called Slc12a8 is in fact the mystery transporter, and Slc12a8 requires the presence of sodium ions to transport NMN into cells, showed the study published Monday in the inaugural issue of the journal Nature Metabolism.

CAS President Bai Chunli said in a speech that challenges, including but not limited to, climate change, disaster reduction and mitigation, infectious diseases, environmental pollution, poverty and unbalanced development are imposing huge pressure on future sustainable development of human society.