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At the most critical step during infection, SARS-CoV-2, the virus that causes COVID-19, uses its spike protein receptor-binding domain (S-RBD) to engage with the host cell receptor angiotensin-converting enzyme 2 (ACE2), according to PolyU.
At the showcase, readers can get a look at the first volume of Xi's book in 24 languages and the second in nine languages.
At the beginning of the hearing, Senator Lamar Alexander, chairman of the Senate Health, Education, Labor and Pensions Committee, highlighted the importance of wearing face coverings, saying that "unfortunately, this simple lifesaving practice has become part of the political debate."
At the forum, CreditEase launched an AI+FOFs system, which leverages on artificial intelligence to augment the companies' capability to select investable targets.
At the end of last year, China's outstanding loans to farmers, agriculture and rural areas totaled 30.95 trillion yuan (.89 trillion), up 9.64 percent year-on-year.
来源：资阳报