Under the loading conditions of uniaxial and slightly biaxial tension, the characteristics of material bifurcations (plane shear banding and surface wrinkling) are demonstrated.

文中揭示了在单向和弱双向加载条件下材料分叉(平面剪切带和表面皱曲)的一些特征。

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The sand body is developed as strong amplitude echo on seismic section and has a banding distribution with two sets direction on plane.

该砂层组在地震剖面上表现为强振幅反射，强振幅反射在平面上呈两组方向的条带状分布。

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Some properties of the "super plane" in space forms are investigated, which is helpful to construct the example showing the banding properties of the closed surfaces in space forms.

而且探讨了空间型中“超平面”的性质，这对构造体现空间型中闭曲面整体弯曲程度的例子是有帮助的。

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