If the axial plane of a fold is essentially horizontal. Then we call it recumbent fold.

如果褶皱构造的轴面基本上是水平的，那么我们称它为平卧褶皱。

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Starting from analyzing the theory of plane stress field, the paper introduced mechanical mode for simple fold and composite structural mode and analyzed the theory of structural fracture.

本文从平面应力场理论分析入手，介绍了简单褶皱的力学模式、复合构造模式，并进行了构造裂缝的理论分析。

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Conclusion The coronal plane is dominant for showing left gastropancreatic fold and the communication relationship between superior and inferior recesses of the lesser sac.

结论冠状断层是显示胃胰襞左部及网膜囊上、下隐窝间通连关系的优势断层。

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