retardation

retardation读音音标

英[ˌri:tɑ:\\\'deɪʃn]

美[ˌritɑrˈdeʃən]

基本意思释义

n.延迟; 留级; 制动; 光程差

词性变化

动词:retard;

短语及实用例句

Asbestos reinforcement confers excellent flame retardation properties on a composite.

石棉增强材料使复合材料具有优异的防火性能.

辞典例句

The theory confirms the increase in the retardation effect with decrease in particle size.

理论证实,随着颗粒尺寸的减小,这一减速效应将增大.

辞典例句

It is therefore not surprising that self - retardation is not well - documented in the systems we are considering.

因此,在我们所考虑的体系中,自缓聚作用尚未完全证实是不足为奇的.

辞典例句

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.

The suggestion of development and extent of fire retardation PP was made.

提出了发展和推广阻燃聚丙烯纤维的有关建议.

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.

Autistic intelligence varies widely, from severe retardation to savant syndrome.

自闭症患者的智力差异甚广, 从极度迟钝到学者症候群不等.

Retardation factor ( new post )

迟延因素 ( 新员额 )

In addition, 4 patients presented with growth retardation.

此外, 4例患者表现出生长落后.

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.

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.

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.

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 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.

Running safely of mine hoist mainly depends on running parameter control in retardation period.

矿井提升机的安全运行主要取决于减速段运行参数的控制.

英英释义

Noun

1. a decrease in speed;

\"the deceleration of the arms race\"

2. the extent to which something is delayed or held back

3. any agent that retards or delays or hinders;

\"flame-retardant\"

4. lack of normal development of intellectual capacities

5. the act of slowing down or falling behind