在其他参数固定的情况下，采用不同的震源破裂长度计算断层滑距随深度增加的比例相同。

Keeping the other parameters constant, the rising rate of the fault slipping displacement is the same as the calculated value using different epicenter fracture lengths.

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对于垂直走滑断层，在给定的距断层最近的范围内，破裂方向效应使地震动产生强烈的空间变化。

For vertical strike-slip faults, the rupture directivity effect causes as strong spatial variation in ground motions for a given closest distance to the fault.

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