The strike direction of tension fractures developed on a fold is perpendicular to the maximal principal curvatures of the surface.
褶皱面裂缝发育主要为一组张裂系，张裂隙走向与最大主曲率的方向垂直。Iraq that has attracted the support of at least two Republicans threatens to expose fissures within the GOP over the unpopular war.
伊拉克这已引起了至少两名共和党议员的支持，威胁揭露裂隙共和党内较不受欢迎的战争。Comparable results were found for kyphoplasty with polymethylmethacrylate, however, these fillings did not show hairline cracks.
与其对比的结果就是应用聚甲基丙烯酸甲酯的后凸成形术组的发现，然而，这一填充物没有发现很细的裂隙。When fissuring is present, pain is often produced by movement of the parts, which opens or deepens the fissures or forms new ones.
已有裂隙的情况下，活动该部位会产生疼痛，也可使裂隙加深或形成新的裂隙。The reef limestones are characterized by plentiful fractures and pore spaces. showing a nature of good reservoirs.
礁灰岩具有大量裂隙和孔洞，是好的储集层。Conclusions GTR is an effective approach to reconstruct bony cleft, and is likely to be used in repair of alveolar cleft and cleft palate.
结论引导组织再生术是修复骨性裂隙的有效方法，有可能用于齿槽裂、腭裂的骨性修复。Rough fracture surface is of characteristics of fractal and can be considered as congruence of the upper and lower fracture surfaces.
岩体裂隙面是粗糙不平的，具有分形特征。The mining subsidence mechanism of metal mine with fractured blocky rock mass is different from that of coal mine with layered rock mass.
金属矿山多为裂隙发育的块状岩体，因而开采引起的地表沉陷机制不同于层状地层的煤矿。the influence of the crack angle on the intensity tends to decrease as the cracks increase.
裂隙角度对强度的影响有随裂隙数量增加而减小的趋势。