The screw forces applied near the section played a main role in decreasing stress protection.
靠断面处螺钉力对减少应力遮挡起主要作用。
The percentage of fatigue life under first natural frequency of random spectra in fatigue life of specimen decreases with decreasing stress level of random spectra.
一阶固有频率下振动在试件疲劳寿命中所占的比重随着随机载荷谱均方应力值的降低而降低。
Objective To study the effect of transcutaneous electric nerve stimulation for decreasing stress response and strengthening the anesthetic effect in the operation of thyroid tumors.
目的:探讨经皮穴位电刺激在颈部甲状腺肿瘤手术中减弱应激反应及增强麻醉作用的效果。
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