The mechanism of shock formation apparently changes, too, at these altitudes so that the scaling laws are no longer applicable.

在这个高度下，冲击形成的机制也有很明显的改变，所以递增公式也就不再适用了。

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The shock formation in a nonlinear ultrasound beam by solving KZK equation using frequency-domain numerical method is investigated.

通过用频域方法数值求解KZK方程； 以活塞声场为例，研究了非线性超声束的冲击波形成规律。

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The results reveal that besides the nonlinearity and absorption, the diffraction is another important factor that affects the shock formation of an ultrasound beam.

结果表明：除了非线性强度、吸收外，衍射是另一个影响非线性超声束冲击波形成的重要因素。

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Just as the animals were anticipating a new shock, the scientists injected a chemical into their brains to block the formation of new memories.

FORBES: Oblivion in a Pill