结果表明，利用两步法预测反褶积可以很好地压制变周期鸣震干扰，突出有效反射，提高资料的品质。

The results confirmed that the two-step predictive deconvolution method can effectively suppress the variable period reverberation, highlight the valid reflections, and improve the data quality.

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实验处理的结果表明：该方法不仅对微屈多次波有效，而且对残余的长周期鸣震多次波也可达到令人满意的压制效果。

The experiment processing results demonstrate that the method can not only sufficiently attenuate the peg-leg multiples but also eliminate the long-period residual multiples to a satisfactory effect.

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利用计算机模拟粉末压制过程，能有效地缩短设计周期，降低设计成本。

Computer simulation of powder compaction is helpful to speed up the process of designing and manufacturing powder metallurgy components, and saving cost.

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