对于第一阶段运用矢量分析和激波理论关系，建立了适用于高速撞击条件的非线性激波模型。

Vector analysis and shock wave theory are applied to the initial phase during which the contact periphery expands more quickly than the compression wave fronts in the droplet.

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本文讨论了一交通模型的一阶拟线性偏微分方程激波产生唯一性的条件并给了严格的证明。

A condition of a one-order quasilinear partial differential equation of a traffic model forming unique shock wave is given end proved.

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聚变堆条件下，弹丸表面可能会出现激波。

And a shock will probably appear at the pellet surface under the fusion reactor plasma condition.

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