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1988年5月对枝城市一中100名宿读学生采用称重与记帐法作了为期一个月的膳食调查,结果表明:平均每人每日摄入总热量2060千卡(占标准供应量80.79％)。早,中、
In May 1988, a one-month meal survey was conducted on 100 students in Zhicheng City using a weighing and billing method. The results showed that the average daily intake of people was 2060 kcal (accounting for 80.79 of the standard supply %). Early, middle,