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【简答题】Corona viruses are a large group of viruses. There are different 3.________(type) of corona viruses that cause a number of human diseases.
【简答题】Corona Viruses are a group of viruses. They consist of a core of __________ sounded by an envelope with protein spikes (蛋白质冠状物) . This gives it appearance of a __________, which is called corona in La...
【简答题】 What is a coronavirus? Coronaviruses are a family of viruses that range from the common cold to MERS coronavirus, which is Middle East Respiratory Syndrome coronavirus and SARS, Severe Acute Respira...
【简答题】So where did the virus c ome from? It's known that corona viruses are in a range of animals, sometimes these4._________ (viruse) can make the jump from animals to humans. This is called a spillover .
【简答题】Corona viruses can cause a range of symptoms, what are they? F ever
【简答题】设 n 是, Sn 是 n 的正因子的集合. D 为整除关系,问偏序集是否构成格?
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