为了解目前农村中学住宿生的膳食结构及营养供应,我们于1981年12月7～11日,选择了江苏省海门中学作了为时5天的膳食调查。全校有住宿生897名(男生605人,女生292人),实行包伙制。方法和内容调查采用记账法。调查前将所有食品入库。调查开始后,记录各类食物烹调前的净重(出库量)、剩余食物量和废弃量(泔脚量折成生 In order to understand the dietary structure and nutrition supply of the current middle school students in rural areas, we selected a 5-day dietary survey from Haimen Middle School in Jiangsu Province from December 7 to December 1981. The school has 897 students (605 boys, 292 girls), the implementation of the package system. Methods and content survey using bookkeeping method. Before the survey all the food storage. After the investigation began, record the net weight of all kinds of food before cooking (the amount of storage), the amount of remaining food and the amount of discards