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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.
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身边的同事聊起故乡，也总有这样的感叹。不过是隔了一段时日没回去，故乡就悄悄有了新变化。这变化，不是大刀阔斧改天换地，倒像是绣花，一针一线地，往这烟火人间里绣进些妥帖而温柔的针脚。，详情可参考旺商聊官方下载