1.【地】地堑,断层沟
1.a broad valley, especially a rift valley
1.as a result , the structural study of the two units can help to find out the processes of formation and evolution of yishu graben.
通过对汤原断陷和方正断陷边界断裂的研究，可以进一步了解依舒断裂带的形成和演化过程。
2.The present Yinchuan graben is not the separated line of Helanshan Basin and Ordos Basin.
现今的银川地堑当时也并不是贺兰山盆地与鄂尔多斯盆地的分割。
3.Taking Yishu graben as an example, the application of these methods is presented.
并以伊舒地堑汤原断陷为例，说明了这些方法的应用。
4.and extensional faulted blocks (half graben and half horst) are the main type of structural style.
构造类型以伸展断块构造（半地堑和半地垒）为主。
5.Graben (used as both singular and plural) can form in areas of rifting or extension, where normal faults are the most common type of fault.
地堑可形成于裂谷作用区或伸展张作用区，在这里正断层是最常见的断层类型。
6.The FangZheng fault depression lies in the middle north of the Yi-Shu graben of the Song-Liao basin, It's a negative tectonic units.
方正断陷位于松辽盆地东侧的依-舒地堑中北段，为一个一级负向构造单元。
7.The Zhangqiang basin is a Late Mesozoic fault sag basin in Northeastern Asia, and is a half-graben, dustpan shaped basin.
张强盆地是辽宁晚中生代半地堑式断拗盆地，呈萁状。
8.The results of le-telling survey show significant subsidence in the graben area before, during and after the seismic active periods.
水准测量结果说明，在地震前、地震时及地震后，断陷区都有明显的下降运动。
9.Moreover, the fundamental mode of the wedge block movement is graben-horst structure.
“两堑夹-垒”是楔块运动系统的基本形式。
10.Faulting formed fault cliff, fault terrace, seabed fault valley, block mountain and graben basin etc.
断裂作用形成断层崖、断阶、海底谷、断块山、断陷盆地等；