名词
中文翻译：主要向量
同义词：
['principal vector', 'primary force例句：1. The primary vector of the disease is the lack of vitamin C.（这种疾病的主要致病因素是缺乏维生素C。）']
例句：
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1. The primary vector of the disease is the lack of vitamin C.
这种疾病的主要致病因素是缺乏维生素C。
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2.The study found that the primary vector of the virus was the mosquito.
研究发现，病毒的主要传播途径是蚊子。
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3. The research team identified the primary vector of the pesticide as the spider.
研究团队确定了农药的主要传播媒介为蜘蛛。