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科赫假说
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科赫假说
Encyclopedia
农学
动物疾病控制成本效益分析
释
Koch's postulates
科赫假说
由德国学者R.科赫(Robert Koch,1843~1910)等提出的一种病因确定法则。又称亨利-科赫假说、科赫原理、科赫法则等。规定了某一种病原微生物作为某种疾病病因必须满足的四个基本条件。
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employment of disabilities
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Employment Promotion Law of the People's Republic of China
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Empowerment Women
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