与滑移面相配合起切割岩体作用，使之与母岩脱离而形成滑移体的各种陡倾角地质结构面。当切割面的走向与工程作用力方向近乎平行时，称为纵向切割面;切割面的走向与工程作用力近乎垂直时，称为横向切割面。当其结构面上具有一定强度时,纵向切制面可以产生阻滑力，横向切割面产生抗拉强度,对抗滑稳定性都很有利。
n. facet
misc. cut surface
观察角度和切割面共同定义了视域。
Together, the viewing Angle and the clipping planes define what is called the view frustum.
每个部件都有意设计成最少的钻孔和最小的切割面。
Parts were intentionally designed to require the least amount of drilling and cutting effort.
几个螺丝批和两个不同的切割面给这个小工具的效用吨。
Several screwdrivers and two different cutting surfaces give this little tool a ton of usefulness.
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