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Filmed in Canada, Iran, and the United States, Secrets of the Surface: The Mathematical Vision of Maryam Mirzakhani examines the life and mathematical work of Maryam Mirzakhani, an Iranian immigrant to the United States who became a superstar in her field. In 2014, she was both the first woman and the first Iranian to be honored by mathematics' highest prize, the Fields Medal. ...。一直以来，德国啤酒享誉世界，在世界啤酒大会上屡次斩获殊荣，而啤酒之于德国人也是主食一样的存在。但德国啤酒到底有何特点？传统的啤酒有多少种类？德国的啤酒市场又是怎样的？著名的啤酒纯净法案是什么？喝啤酒又是否会让人发胖呢？星级厨师尼尔森·穆勒组织了一场大型啤酒测试，通过多样性、口味、质量、价格和健康程度为您揭开德国啤酒的秘密……（小易甫字幕组）。