The computation expression for the strain neutral layer of stress and plastic bending was introduced and so the thinning coefficient computing formula of sheet metal was deduced.

给出了板料弯曲的应力应变中性层和纯弯曲应变中性层的计算公式，并推出板料弯曲时的变薄系数计算公式。

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Under normal physiologic condition, the stress in posterior extension is greater than that in anterior flexion, but less than in neutral position.

正常生理状态下斜扳，后伸位应力大于前屈位而小于自然中立位。

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In the elastic region of the cross-section, the stress distribution varies linearly from the neutral axis to the beginning of the yielded area.

在界面的弹性变形区域的应力分布呈直线型，这种线性分布从截面中性轴开始到其屈服区域结束。

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People tended to discriminate better between neutral and angry faces when exposed to the "stress" sweat.

CNN: Sweat may give off stress signals, study says