Meanwhile the forward fast compression waves become a fast shock through nonlinear steepening process.

所发出的前向快压缩波经非线性变陡形成快激波。

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You have to do it awfully fast to get your irreversible compression.

我们要压缩得非常快,才能实现不可逆压缩。

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Furthermore, the higher compression of households into shared spaces in these fast-forming urban enclaves, sometimes resulting in slums, reverses the density argument.

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