主应变的大小和方向可以表示为一个椭球体。
The magnitudes and directions of the main strain are expressed as an ellipsoid.
本文介绍了利用变形椭球体理论，对花岗岩组构(叶理、线理)进行应变分析的方法。
This paper introduces the method for a strain analysis of the fabric (foliation and lineation) of granite by using the theory of the strain ellipsoid.
测区内煤的镜质组反射率椭球体的变形特征属于拉长型应变和压扁型应变。
The ellipsoidal deformation of reflectance in the studied area was characterized by extend type or flaser type strain.
该井田煤镜质组反射率椭球体有限应变特征分析结果表明在煤系地层中，煤的最大镜质组反射率的方位除与区域构造应力场的作用有关外，还与其所处的局部构造位置有关。
The result indicated that the orientation of maximum vitrinite reflectance might be related with the local structural position of the sample in addition to the stress field of the regional tectonics.
该井田煤镜质组反射率椭球体有限应变特征分析结果表明在煤系地层中，煤的最大镜质组反射率的方位除与区域构造应力场的作用有关外，还与其所处的局部构造位置有关。
The result indicated that the orientation of maximum vitrinite reflectance might be related with the local structural position of the sample in addition to the stress field of the regional tectonics.
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