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营养饮料“脑力健”配方中加有维生素A,为了观察“脑力健”对小学生视力的影响,我们做了小学生饮服“脑力健”前后暗适应功能变化的观察。
Nutritional beverages “mental health” formula plus vitamin A, in order to observe the “mental health” on the visual acuity of primary school students, we do the primary school students drink “mental health” before and after dark adapt to functional changes observed.