In the test, it is verified that the random cyclic constitutive relations, like the wide recognized random cyclic strain-life relations, is an intrinsic fatigue phenomenon of engineering materials.
试验验证了以前在焊缝金属试验中的发现与推断，即工程材料的循环本构存在随机性，与循环应变-寿命关系的随机性一样，是固有的疲劳现象。
The problem is "decision fatigue", a psychological phenomenon that takes a toll on the quality of your choices after a long day of decision making, says Evan Polman, a leading psychologist.
著名心理学家埃文·波尔曼表示，这其中反映的问题就是“决策疲劳”，即在经过漫长的一天的决策后，对决策的质量产生负面影响的心理现象。
He goes on to warn about the phenomenon of pair fatigue: When two programmers pair together, the things they notice and fail to notice become more similar.
接下来，他提出了关于结对疲劳现象的警告：当两个程序员进行结对，他们发现和无法发现的东西会变得越来越类似。
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