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* @param n 数组长度
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Musician Letty Stott plays a replica of a carnyx to Fraser Hunter, presenter Alice Roberts and Gary Trimble during filming for Digging for Britain
In 1874, Fanny Angelina married physician and bacteriologist Walther Hesse, an investigator of air quality and, specifically, air-borne microbes. In the Winter of 1880-81, Hesse became a research student with Koch in Berlin and experienced firsthand the difficulty of growing microbes on gelatine and the other growth media used at the time.