反而只有上升而不下降是非正常的,谁见到哪个国家的疫情图形是单边上升的吗?下面是美国的新增病例和死亡的图形,从哪里看出“断崖式下跌”的?


反而只有上升而不下降是非正常的,谁见到哪个国家的疫情图形是单边上升的吗?下面是美国的新增病例和死亡的图形,从哪里看出“断崖式下跌”的?


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