“Oskar Kёllner”的概念、定义、翻译、参考文献-科学参考

单词	Oskar Kёllner
释义	Oskar Kёllner Encyclopedia 农学畜牧学家释 Oskar Kёllner克尔纳，O. （1851-05-13～1911-09-12）德国家畜动物学家。
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