three variables: coffee variety (Coffeaa rabica and Coffear obusta, from a total of 10 different sources),的翻译：什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

翻译结果1 翻译结果2 翻译结果3 翻译结果4 翻译结果5

三个变量：咖啡品种（coffeaa obusta狂犬病和咖啡，从10个不同来源的总数），

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