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Before Pompeo's leaving, an anonymous senior State Department official told the media in a teleconference on Tuesday that the US goal vis-a-vis the DPRK concerning its denuclearization remains the same, and Pompeo plans to remind all nations during these meetings to keep pressure on Pyongyang as required by UN Security Council resolutions.

Beijing currently has more than half of the key AI research institutes in China and more than 10 national key laboratories, Xu Qiang, director of Beijing Municipal Science & Technology Commission, said at a news conference on Tuesday in Beijing, China News Service reported.

Beef exports to China must come from cattle that are under 30 months, are born in the US, Canada or Mexico, and can be traced back to a US birth farm or first US port of entry. The meat must be free from residues of growth promotants, feed additives and other chemical compounds prohibited by Chinese law.

Before her current position at Yale, Goldberg had served on the economics faculty at Princeton University and Columbia University.

Before Baidu, Wang Jing used to be head of engineering at Alibaba Group Holding, chief technology officer of eBay China and managing director of Google China.