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.
在模型中运用移动的三维双椭球体热源作为输入热源来模拟焊接过程，最终获得了焊接温度场和残余应力场。
The temperature field and residual stress field were obtained by using 3-D double-ellipsoidal heat source model to simulate welded process.
在模型中运用移动的三维双椭球体热源作为输入热源来模拟焊接过程，最终获得了焊接温度场和残余应力场。
The temperature field and residual stress field were obtained by using 3-D double-ellipsoidal heat source model to simulate welded process.
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