The first order hidden equation integral curve's intersection has been studied through the example.
通过例子对一阶隐式方程积分曲线之相交性进行了直观研究。
The basement shows characteristics of trichotomy, that is, "T" type intersection of two hidden deep faults may be the stitching line among Yanliao, Luxi and Taihang basement.
盆地基底表现出三分性特征，区内“T”型交叉的两组隐伏深断裂可能为燕辽基底、鲁西基底和太行基底的拼接线；
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