为了解松江县中学生的营养状况，我们于1992－1997年对该县3所中学13～17岁中学生营养状况作了调查，现报道如下。l对象与方法1．1对象：以松江县二中、四中、叶檄中学为监测点校。每年5月份对在校的初一至高三学生进行监测，总计25291名，其中男生12986名，女生12305名，年龄1 In order to understand the nutritional status of middle school students in Songjiang County, we investigated the nutritional status of middle school students aged 13 to 17 in three high schools in the county from 1992 to 1997 and are reported as follows. l objects and methods 1.1 Object: Songjiang County in two, four, Yeh Chung secondary schools for the monitoring point school. May each year in the school of first to third students to monitor, a total of 25291, of which 12,986 boys and 12,305 girls, age 1