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极据1987年全国0～14岁儿童智力低下调查,智力低下患病率为1.2%,我国0～14岁儿童约3亿,智力低下儿约360万,他们给家庭、社会和国家带来巨大和深重的负担.在300多万智力低下儿中,因产前和产时因素如早产、窒息和出生后文化社会因素所致者共约占1/3,这100多万智力低下儿根据现在国内外的研究证明是可通过0～3岁早期教育得到有效的防治.
According to the survey of children with mental retardation of 0 ~ 14 years old in 1987, the prevalence of mental retardation was 1.2%. About 300 million children aged 0-14 in our country and about 3.6 million children with mental retardation had enormous tremendous impact on the family, society and the country And a heavy burden on more than 3 million children with mental retardation, prenatal and maternal factors such as pre-term birth, suffocation and post-natal cultural and social factors accounted for about 1/3, the more than 100 million children with mental retardation according to the present Research at home and abroad proves that it can be effectively controlled by 0 ~ 3 years of early education.