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有关中学生无机盐营养状况的报道并不多见，新版《食物成分表》出版后，为进行这方面的研究提供了方便，我们于1993年春季，对某镇中学进行了有关方面的研究，现将结果报道如下：1调查对象在校就餐者862人，其中男生405人，女生457人，年龄12～20岁。2调查内容及方法2．1用称重
There are few reports on the status of inorganic salt nutrition among middle school students. After the publication of the new edition of Food Composition Table, it is convenient for the research in this field. In the spring of 1993, we conducted relevant studies on a certain town middle school. The results are reported as follows: 1 respondents 862 were diners in the school, of which 405 were boys and 457 girls, aged 12 to 20 years. 2 survey contents and methods 2.1 with weighing