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为了解我校大学生的营养状况，提供合理的膳食依据。我们于1997年12月，以整群抽样法抽取我校九六级学生300名进行营养调查，现将调查结果报告如下。l调查内容与方法1．1膳食调查采用询问法，调查学生连续3d所消耗的各类食物量，查阅食物成分表「”，计算出每人每日各种主要营
In order to understand the nutritional status of college students, to provide a reasonable dietary basis. In December 1997, we adopted a cluster sampling method to extract 300 students of Grade 96 in our school for nutrition survey. The results of the survey are reported as follows. Survey contents and methods 1.1 The dietary survey using questionnaire to investigate the amount of various types of food consumed by students for three consecutive days, access to food composition table “”, calculate the main camp per person per day