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.
作为应用的例子给出了超高速撞击条件下航天器空间碎片防护结构以及压力容器损伤特性实验研究的结果。
The results of spacecraft space debris shield configuration, as well as pressure vessel damage behavior characteristic under hypervelocity impact conditions are presented as applications.
他有两方面的证据：第一，现存的灾难性撞击的残骸与Baptistina和她的后代有相同的成分，这是必要条件，但并非充分条件，因为含碳的球粒状陨石在其它小行星上也有；
That is a necessary but not a sufficient condition, as the type of rock involved, called carbonaceous chondrite, is found in other asteroids, too.
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