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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.

使用大涡模-声学结合的方法,研究三开式空腔的非定常过流及其关的气动声学问题。

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food stamp, foodaholic, foodgrain, foodgrains, food-handler, foodhandlers, foodie, foodism, foodless, foodpack,

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3G, 401(K), a,

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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,金刚石,更酷是,这些是我们所知最坚硬、密度最高,几乎无法压缩材料。

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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,金属泡沫对高科技震动和压力吸助很大,内部气体让物质极度压缩,可吸很多机械能,而且依然保留金属强度和耐用性。

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foot fault, foot lambert, foot pedal, foot plate, foot race, foot soldier, footage, football, football field, football game,

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3G, 401(K), a,
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