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Beijing-headquartered Huiying Medical Technology Co Ltd, a high-tech enterprise focusing on artificial intelligence for medical imaging, said it recently provided a new version of medical AI system to Beijing YouAn Hospital to assist in the fight against the COVID-19 epidemic.

Before expanding the pilot program on a large scale, there are still some key problems that need to be solved by the monetary authorities, including the technical and market promotion matters, to make more people accustomed to the use of the digital currency, analysts said.

Behind such a development is the recent progress of South China Sea situation, and the "concern", if brought up again, "does not target China", the source said.

Behind such remarks is the anxiety in the US that one day China will overtake the US to become the strongest power in the world. But that is no excuse for some US politicians to tar all Chinese students with such unfounded suspicion, which will serve only to generate hostility and discrimination against them.

Beijing University Professor Lei Jianjun, who consulted on the documentary, said that humanity right now is facing the key challenges of environmental protection and sustainable development.