竖流速曲线
The paper discussed four time-distance curve equation of seismic waves in vertical heterogeneous media; analyzed and compared the errors of ray paths and travel-time curves under the approximation of different velocity function in four layered media models;
本文讨论了四种垂向非均匀介质中地震波的时距曲线方程,分析比较了四类层状介质模型在不同速度函数近似下的射线路径和走时曲线误差;
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