Sense of inferiority is a kind of psychological obstacle that produces in the puberty, its reasons are complicated, and its harms are negative.
自卑感是青春期容易产生的一种心理障碍，它产生的原因是复杂的，带来的危害是消极的。
Objective: Estimate objectively pain and warm sense obstacle.
目的：为了客观评价痛温觉障碍。
Experiment shows there are great differences in the ability to distinguish three types of exit signs between persons having obstacle of visual sense and persons having no obstacle of visual.
试验表明，有视觉障碍者对三类出口标志的识别能力与无视觉障碍者之间存在很大差距。
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