To verify the application effect of Osculating Value Method on evaluating the water sanitary quality of swimming pools.
目的验证密切值法在游泳池水质卫生状况评价中的应用。
Tips: Fresh seafood is adequate in weight without adding any water, and it is fresh, sanitary and of good quality and cheap in price.
友情提示：新鲜海产品不掺水、足斤足两、新鲜卫生、质优价廉，并免费为您清洗；
To learn the sanitary condition of drinking water in rural areas of Nantong and provide scientific basis for improving water quality and reducing water borne diseases.
目的了解南通市农村饮用水水质卫生现况，为改善水质，减少水性疾病、保障人体健康提供科学依据。
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