名词
中文翻译：Unknown
同义词：
['origin nation', 'originating country']
例句：
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1. The company's headquarters arelocated in the source nation of its products.
该公司的总部位于其产品的起源国。
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2.The government has been criticized for itslack of transparency and openness in dealingwith issues related to the source nation.
政府因在处理与源头国相关的问题时缺乏透明度和开放性而受到批评。
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3. The investigation into the source nation ofthe virus is ongoing.
对病毒源头国的调查正在进行中。