它是历史环境对人的作用的一种特殊形式，是特定的外部因素的一种心理副产品。
It is a special form of the operation of historical circumstances upon men, a psychological by-product of definite external factors.
这一幕非常巧妙，通过某种幽默对周围冷酷无情的环境起到了缓解作用，艾达对相对近期的历史的无知让人讶异，但没有因此而被过于苛责。
The scene is deftly done, providing some humor to lighten the grim surroundings without being too hard on Ida for his strange incomprehension about relatively recent history.
运用色彩对人的生理及心理产生的作用，对建筑物及构筑物使以合理的安全色彩，对提高环境的安全性及舒适性具有重要意义。
Using proper security color for building by applying the colors effect on physiology and psychology may be of great importance to improve the security and comfort of the environment.
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