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为了解文登市计划免疫迟、漏种情况，我们进行了调查，现报告如下。l对象和调查方法依据随机原则，抽取10个乡（镇，下同），每个乡20个村，每村调查8名儿童，共计调查1600名儿童，其中to）Li1303名，流动儿童297名。调查对象为1995年1月1日一1996年12月31日出生的儿童。2迟、
In order to understand the planned immunization of Wendeng late, missed the situation, we conducted a survey, are as follows. l Subjects and survey methods According to the principle of randomness, 10 townships (towns, the same below) were selected and 20 villages in each township. Eight children were surveyed in each village, and a total of 1,600 children were surveyed, of which 1303 were to Li and 297 were floating children . The subjects of investigation were children born on January 1, 1995-December 31, 1996. 2 late,