Based on the analysis, the principle of iso-stress sample design and the shape and dimensions of a recommended iso-stress specimen for bending fatigue of sheet materials have been suggested.
基于这种分析结果，提出了板材弯曲疲劳等应力试样设计原理以及推荐试样的形状和尺寸。
2
Mental stress activates components of the body's neuro-endocrine system, "which lead to an increased risk of cardiovascular disease," Iso explained.