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为了解我市学龄前儿童的视力情况,93年5~6月份,我们选择市第二幼儿园和商业局幼儿园两所较有代表性的市区幼儿园以及郊区渠沟村集居和部分散居儿童进行了视力调查,以探索学龄前儿童视力不良
In order to understand the visual acuity of preschool children in our city from May to June 1993, we chose two kindergartens in the city and two kindergartens in the commercial bureau and two representative kindergartens in the suburbs, Visual acuity survey to explore preschool children’s poor eyesight