其次，在2.5维空间，用有限元数值模拟方法模拟了裂隙各向异性介质波场，结果用波场切片做了显示。

Then, the finite element method is used for synthetic in 2.5d space anisotropic media containing cracks. The results are showed by time snapshot.

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与此同时，各向异性介质中散射衰减及速度随频率的变化，也为通过地震数据分析预测裂隙大小尺度提供了可能性。

At the same time, frequency dependence of scattering attenuation and anisotropic velocity variation makes fracture size deduction from seismic data.

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