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在研究地壳结构的人工源宽角反射地震资料解释中，常规宽角反射波走时和射线路径计算大都假定地壳模型为层状块状均匀介质。
Layered and blocked homogeneous models are usually used to calculated travel times and ray paths of wide-angle reflection waves in interpreting wide-angle reflection data of deep seismic sounding.
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