这是立体几何学的知识。

This is the knowledge of the solid geometry.

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迹线的产状实质上是空间二斜面相交线的产状，属于立体几何学等数学范畴。

The trace occurrence is substantially the occurrence of intersection line of two oblique planes in space, which belongs to the mathematics field of solid geometry.

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除了深、大断裂等复杂断层以外，研究一般断层都需利用岩层、岩脉等各自的迹线。迹线的产状实质上是空间二斜面相交线的产状，属于立体几何学等数学范畴。

The respective trace of rock bed, vein must be utilized usually in the study on a fault except the complicated fault, such as deep and big fault.

youdao

除了深、大断裂等复杂断层以外，研究一般断层都需利用岩层、岩脉等各自的迹线。迹线的产状实质上是空间二斜面相交线的产状，属于立体几何学等数学范畴。

The respective trace of rock bed, vein must be utilized usually in the study on a fault except the complicated fault, such as deep and big fault.

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