mental retardation 是什么意思

	智力缺陷，精神薄弱，智力迟钝。

	mental: adj. 【解剖学】颚的，颏的。
	retardation: n. 迟延，推迟，迟滞；阻碍；迟延程度，妨碍量；【物理学 ...

lack of normal development of intellectual capacities
同义词：retardation, backwardness, slowness, subnormality,

	1.	Deficiencies in certain organic chemicals can cause mental retardation in babies, rickets, beriberi, blindness, scurvy and many other diseases . 缺乏某些有机化合物，能引起婴儿智力迟钝、佝偻病、脚气病、失明、坏血病和其它许多疾病。
	2.	Adaptive behavior assessment of mental retardation review 智力残疾的适应性行为评估
	3.	Rehabilitation training of children with mental retardation 精神发育迟滞儿童康复训练体会
	4.	The criminological characteristics of mental retardation 精神发育迟滞患者的犯罪学特征分析
	5.	Other or unspecified mental retardation 其他或待分类的精神发育迟滞
	6.	A mental health research on children with mild mental retardation 轻度智力落后学生心理健康问题的研究
	7.	As a child he was assumed to be suffering from severe mental retardation 孩童时期他被假设为重度智障。
	8.	Stress parents of children with mental retardation and relevant factors 弱智儿童家长的心理压力及相关因素研究
	9.	Profound mental retardation 极重度精神发育迟滞
	10.	Education for mental retardation 智能障碍教育

mental retardation是什么意思