Brucellosis is a worldwide problem of both public health and economic importance.

布氏杆菌病对公共卫生和经济的重要性是世界性的广泛问题。

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Brucellosis is a worldwide problem of both public health and economic importance.

布氏杆菌病对公共卫生和经济的重要性是世界性的广泛问题。

youdao