The statistical property of electrical breakdown in vacumm interrupters under impulse stress is experimentally studied.
本文实验测取了实际真空灭弧室在雷电冲击电压下的静态击穿统计特性。
But every time I feel that impulse I remind myself that in the past I have actually gotten better results, been able to focus more sharply and had less stress in my mind and body when I single-tasked.
但是每当我有那种冲动时，我就会提醒自己，过去当我单任务处理时，结果更好，我更专注，头脑、身体的压力更少。
In the present paper the dynamic stress distribution and stress con-centration factor in the neighbourhood of caverns under impulse loadingare given by using dynamic photoelastic method.
本文用动态光弹性方法，分析冲击荷载作用下岩洞周边的动应力分布和动应力集中系数。
In the present paper the dynamic stress distribution and stress con-centration factor in the neighbourhood of caverns under impulse loadingare given by using dynamic photoelastic method.
本文用动态光弹性方法，分析冲击荷载作用下岩洞周边的动应力分布和动应力集中系数。
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