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化猪油是人们的常用食品,其卫生状况与人体的健康密切相关。我们于1999年1月和2月,对我市城区食用化猪油市场进行了卫生学调查,现报告分析于下。1 调查对象和方法 在自贡城区内从事食用化猪油生产、使用、销售的食品生产经营者,属本次调查对象。调查采用单纯随机抽样调查方法
Lard oil is a common food for people, and its health is closely related to human health. In January and February 1999, we carried out a hygiene survey of the urban lard market in our city. The report is analyzed as follows. 1 Subjects and Methods of Investigation Food production and operation engaged in the production, use and sale of humanized lard in the urban area of Zigong belong to this survey. The survey uses a simple random sampling method