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目的：了解对残疾儿童的特殊教育的效果。方法：于1997年对兰州市4所弱智学校的儿童113会进行生长发育状况及常见病的调查，并与1989年资料比较分析。结果：弱智儿童的身高与体重的均值，1997年的调查结果较1989年有所提高，男生提高6.59cm和3．95kg，女生提高1.60cm和1.85kg；常见病的患病率也远高于正常儿童。结论：“特教”工作对于弱智儿童的生长发育状况及其健康成长有一定效果。
Purpose: To understand the effects of special education on children with disabilities. Methods: In 1997, we investigated the growth status and common diseases of 113 children in 4 mentally handicapped schools in Lanzhou city and compared them with the data of 1989. RESULTS: The mean height and weight of mentally handicapped children were higher in 1997 than in 1989. The boys increased by 6.59 cm and 3.95 kg, while the girls increased by 1.60 cm and 1.85 kg respectively. The prevalence of common diseases was much higher than that of 1989 Normal child Conclusion: The special education work has some effect on the growth and development of mentally retarded children and their healthy growth.