The direction of longest echo time is the direction of minimum earth stress, and the direction of greatest earth stress is perpendicular to it.
回波时间最长的方向为最小地应力方向，最大地应力方向与之垂直。
When the tensile load is not perpendicular to the twin boundary, the yield stress decreases and the deformation is mainly detwinning.
拉伸载荷与孪晶界不垂直时，屈服应力降低，变形方式则以去孪晶为主。
The effective weld length for any groove weld, perpendicular or skewed to the direction of stress, shall be the width of the part joined.
垂直或斜交于应力方向的任何坡口焊缝的有效焊缝长度，应等于被连接部分的宽度。
The orientation of the induced hydrofractures arc controlled by the mutually perpendicular orientations of the maximum and minimum principal stress components of in situ stress field.
人工裂隙的方向受地应力场中两个相互垂直的主应力分量—最大主应力和最小主应力的制约。
The cave's initial principal stress is tectonic stress, and the Max main stress's direction is perpendicular to the power house's stalk line.
洞室地应力以构造应力为主，其最大主应力方向与厂房轴线方向近垂直。
On the contrary, the porosity of dilation bands is quite bigger than the surrounding rocks. Thus dilation bands are perpendicular to the minor principal stress, accompanied by shear bands.
膨胀条带与压缩条带相反，孔隙度明显大于周围岩石，发生在垂直于最小主应力方向上，并与剪切条带共生。
On the contrary, the porosity of dilation bands is quite bigger than the surrounding rocks. Thus dilation bands are perpendicular to the minor principal stress, accompanied by shear bands.
膨胀条带与压缩条带相反，孔隙度明显大于周围岩石，发生在垂直于最小主应力方向上，并与剪切条带共生。
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