这条路精准契合了正定毗邻石家庄的区位特点，既为城市服务又“掏城市腰包”，在服务中发展自己，成功让正定“翻身”了。
核心原因只有一个：躺在功劳簿上睡大觉，把单一产品的成功，当成了永恒的护城河。
，详情可参考搜狗输入法2026
However, Koch never credited the Hesses for their discovery of bacteriological agar, perhaps because, at the time, he failed to recognize its importance. Even after he received the insight about agar from the Hesses, Koch stuck with gelatine for years. In 1883-84, during his first medical expedition to Egypt and India to investigate cholera, he tried and failed to grow the cholera bacterium on gelatine media in the hot climate of Cairo (despite using a half-open fridge for incubation), only succeeding in the colder winter of Calcutta.
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