目的查明一起旅游者食物中毒发生原因，提出预防和控制措施，保障人们的身体健康。
Objective To find out the reason of food poisoning and put forward some preventive and controlling measures for the people's health.
目的查明一起旅游者食物中毒发生原因，提出预防和控制措施，保障人们的身体健康。
Objective To find out the reason of food poisoning and put forward some preventive and controlling measures for the people's health.
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