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This was especially vexing to physician and bacteriologist Robert Koch, who, in seeking to culture his bacteria, “bent all his power to attain the desired result by a simple and consistently successful method,” wrote bacteriologist and historian William Bulloch in his 1938 book, The History of Bacteriology. “He attempted to obtain a good medium which was at once sterile, transparent, and solid” and got some results with gelatine.6 But gelatine is easily digested by many microbes and melts at precisely the temperatures at which the disease-causing microbes Koch wanted to study grow best.
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值得一提的是，该项目选址颇具看点：乐园位于郑州高铁东站附近的蜜雪冰城总部旗舰店片区，这里已是年轻人热门打卡地。
什么是正确政绩观？什么是错误政绩观？