1. 减速：也就是说,当载电体(设为电子)之速率增加时,其能量将自电场中获得,讯号即会衰减;反之,载电体受到减速(retardation)时,释出之电子的能量,将使讯号增强.
2. 延迟：膜缺陷检查装置、接触角测定装置、各种电子显微镜、透过率测定装置、膜厚不均匀度分析装置、有机EL亮度评价系统、相位差测定装置、偏光测定装置、亮度测定装置、发光强度测定装置、色度测定装置、波片相位延迟(Retardation)测定装置、分光椭圆
3. 阻滞：其领域内颇具影响的体系和方法主要有引发-转移-终止剂(Iniferter)法、稳定自由基聚合(SFRP)法、原子转移自由基聚合(A1.6 可逆加成-裂解链转移(RAFT)活性自由基聚合 23-421.6.6 RAFT体系存在的阻滞(Retardation)问题 38-422.3.1 二硫
4. 迟滞：IQ=心理年龄÷生理年龄×100 当 18 岁以下的个体的有效 IQ 得分为 70~75, 或者更低, 则他们被归为心理迟滞 mental 心理迟滞 ( retardation) .被认为是心理迟滞的个体还必须在适应性技能等方面表现出缺陷.
1. 延迟;减缓;落后;迟缓
Retardation is the process of making something happen or develop more slowly, or the fact of being less well developed than other people or things of the same kind.
e.g. ...other parents whose children had mental retardation.
其他智障儿童的家长
noun
1. the act of slowing down or falling behind
2. a decrease in rate of change
e.g. the deceleration of the arms race
Synonym: decelerationslowing
3. lack of normal development of intellectual capacities
Synonym: mental retardationbackwardnessslownesssubnormality
4. any agent that retards or delays or hinders
e.g. flame-retardant
5. the extent to which something is delayed or held back