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Three-dimensional(3D)unsteady compressible flow over an open cavity and the relevant aeroacoustics are studied using a hybrid LES-acoustic analogy method.

使涡模拟-声学比拟相结合方法,研究三开式空腔非定常可压缩过流及其相动声学问题。

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nucleocapsid, nucleocentrosome, nucleochronology, nucleochronometer, nucleochylema, nucleocidin, nucleocosmochronology, nucleodesma, nucleofilament, nucleofuge,

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3G, 401(K), a,

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化学 Crash Course

Most liquids are less dense and more compressible than their corresponding solids, but only slightly so.

与相应的固体相比,大多数液体的密度较低且压缩性仅略微如此。

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Aggregated diamond nanorods, or hyperdiamonds, if you wanna sound cool, these are the hardest, most dense, and least compressible material we know of.

聚合金刚石纳米棒,或超级金刚石,酷的是,这些是我们所知的最坚硬、密度最,几乎无法压缩的材料。

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等数学之美

And all of that is just for the case of incompressible fluid flow, where something compressible, like air, makes things trickier still.

所有这些都只是针压缩流体流动的情况,其中压缩的东西(例如空气)使事情变得加棘手。

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In general, metal foams are useful for high-tech shock and impact absorbers, the gas inside makes them extremely compressible, so they can absorb a lot of mechanical energy, while still retaining some of the strength and durability of a metal.

总之,金属泡沫科技震动和压力吸收的帮助很大,内部气体让物质极度压缩吸收很多机械能,而且依然保留金属的强度和耐用性。

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nucleopetal, Nucleophaga, nucleophile, nucleophilic, nucleophilicity, nucleophosphatase, nucleoplasm, nucleopore, nucleoprotamine, nucleoprotein,

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3G, 401(K), a,
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