The technique of dynamic load identification can be used to identify unknown dynamic load in the case of knowing matrix of coefficient and dynamic response being measured already.

在已知系统系数矩阵以及动响应的情况下，利用动载荷识别技术可以探知未知的动载荷。

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The human civilization advance is decided by the knowing and the holding of the unknown world, the hypostatic world and the future world.

人类文明的进步取决于对未知世界、本质世界、未来世界的认识与掌握。

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We must find the unknown earthquake source knowing these wave arrival times.

通过这些抵达的次数，我们必将找出未知地震的来源。

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Yet there was something of the anxious little girl about her as she set off into the unknown on that last fateful journey, knowing the dangers that lay ahead.

BBC: Jim Muir's tribute to Marie Colvin

Still, even knowing that my unknown readers have a tendency to keep tabs on me online, I sometimes have lapses in the curation of my Web persona.

FORBES: Confessions of an Online Stalker