智力迟钝；智能缺陷（等于mentaldeficiency）

n.智力迟钝，智力缺陷

mental retardations───智力迟钝；智能缺陷（等于mentaldeficiency）

mental preparation───心理准备

mental reservation───对某项声明所持的保留

mental reservations───对某项声明所持的保留

central reservation───中央分隔带；路中间预留地带

mental strain───精神紧张

interlardation───层间交错

mental strains───精神紧张

retardation───n.阻滞；迟延；妨碍

Most children with Down syndrome have mild - to - moderate mental retardation.───大多数唐氏综合症儿童有轻度到中度的弱智.

Typical symptoms of mercury poisoning include mental retardation loss of balance, tremors, blindness loss of hearing.───水银中毒的典型症状包括精神迟缓,平衡失调, 颤抖, 失明,失聪.

Objective : To explore the correlativity between mental retardation, chromosome aberration rate and fragile site expression rate.───摘要:目的: 探讨精神发育迟滞者与染色体畸变率和脆性部位表达率的相关性.

Survey On Physical Function Developmental Level Of Students With Mental Retardation In beijing.───北京市智力落后学生身体机能发育水平的调查研究.

Typical symptoms of mercury poisoning include mental retardation, loss of balance, tremors, blindness and loss of hearing.───水银中毒的典型症状包括精神迟缓，平衡失调，颤抖，失明，失聪。

Conclusion: The mental retardation is correlative with the chromosome aberration and the fragile site expression rate.───结论: 提示精神发育迟滞与染色体的畸变率和脆性部位的表达率有一定的相关性.

One uncertainty is to what extent the reported increases in autism simply reflect a more common diagnosis of what might previously have been called mental retardation.───一个不确定的因素是，先前所报道的自闭症患者的增加，在多大程度上只是因为对早先被称为智力迟钝的病症作了更为一般的诊断。

When the process goes awry , neurodevelopmental disorders , such as mental retardation, dyslexia, or autism may result.───如果这一过程发生错误,神经发展异常, 那么很有可能会造成智力缺陷 、 阅读障碍或者自闭症.

Down Syndrome syndrome is the most common genetic cause of metal retardation mental retardation.───唐氏综合症是最为常见的基因遗传的智力迟钝.

Down syndrome is the most common genetic cause of mental retardation are mildly to moderately retarded.───唐氏综合症是精神迟缓的最普遍的遗传起因.

Objective : To explore file etiology of mental retardation, amenorrhea, abnormal childbearing history and abnormal sexual appearance.───目的探讨智力障碍 、 闭经 、 不良生育史、异常性征的病因.

the Court argued that in the case of mental retardation, execution does not contribute to the goals of either retribution or deterrence.───最高法院辩称精神发育迟滞的情况下，死刑对惩罚或威慑犯罪的目标没有任何贡献。

Psychology The state or condition of being an imbecile; moderate or severe mental retardation.───低能、弱智的状态或情况; 中度或严重智力障碍.

Adaptive behavior and intelligence are the two criteria for diagnosing and classifying people with mental retardation.───适应行为与智力是诊断智力落后的两个标准.

Objective To explore the etiology of mental retardation, amenorrhea , abnormal childbearing history and abnormal sexual appearance.───目的为探讨智力低下 、 闭经 、 不良生育史和性征异常的病因.

Lead is a multitargeted toxicant on organisms, causing effects in mental retardation, low function, hypertension, nephropathy.───铅对生物体具有多方面的毒性, 可导致智力低下 、 血机能障碍 、 血压、病等, 其毒性机理还在探索阶段.

Objective: To investgate the possibility of reactivating fragile X mental retardation - 1 gene ( FMR 1 ) by cyclic adenosine monophosphate ( cAMP ).───目的探讨环磷酸腺苷 ( cAMP ) 对脆性X智力低下一号封闭基因 ( FMR1 ) 再激活作用的可能性.

Down syndrome is the most common genetic cause of mental retardation.───唐氏综合症是最常见的精神迟钝的遗传病因.