The interaction between two parallel cracks in rock mass under the combined action of tension and shearing is analyzed by finite element method.
采用有限元法，对岩体在拉剪综合作用下平行双裂纹相互影响的情况进行了计算。
Parallel linear cracks are also observed along the crater wall over the gullies, which could be due to thermal contraction of ice-rich material.
在陨石坑口壁上也发现了并行线一样的裂缝，这可能是由于含冰物质热收缩现象造成的。
Most of these long, linear and very deep cracks trend northeast or northwest and form parallel, often regularly spaced sets.
大部分这些长线行而且很深的裂缝向东北或西北延伸，并形成平行线，而且经常定期地形成一组组间隔。
Transverse isotropic model for HTI media with a horizontal symmetry axis is the simplest one used to describe the transverse isotropy of the fractured reservoirs containing parallel vertical cracks.
具有水平对称轴的横向各向同性(HTI)介质模型是用来描述含有平行垂直裂缝油气藏最简单方位各向异性介质的模型。
The second one is about two dimensional two parallel shear cracks.
第二种是平面平行剪切双裂纹。
There are different direction twins in its casting structures, and parallel second twins emerge in one big twin where micro cracks appear along twin boundary.
铸态组织中存在不同位向的孪晶，大孪晶中有许多平行的二次孪晶，沿孪晶界诱发微裂纹；
Cracks grow in directions nearly parallel to the surface.
裂纹在近乎平行于表面的方向上生长。
Cracks grow in directions nearly parallel to the surface.
裂纹在近乎平行于表面的方向上生长。
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