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7.5.25

7.5.25

7.5.25

7.5.25

1

We shall see that(7. 5. 25)is none other than the celebrated Snell's law applied to elastic waves.

我们很快就将看到，（7.5.25 ）恰恰就是应用弹性波上的有名的斯涅耳定律。

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