名词短语
中文翻译：流感病毒
同义词：
['influenza virus variation', 'influenza virus O-D change']
例句：
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1. The study of influenza virus O-D variation is crucial for understanding the disease's progression.
研究流感病毒O-D变异对于理解疾病的进展至关重要。
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2. The O-D variation of the virus has led to a significant increase in mortality rates.
病毒的O-D变异导致了死亡率的显著增加。
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3. Researchers are exploring the O-D variation of the virus as a potential treatment option.
研究人员正在探索病毒的O-D变异作为潜在的治疗选项。