Through the border conditions of damping layer combined with the shell the coupled oscillation equation was solve, and radiation sound field expression was shown using the shell displacements.
通过阻尼层与壳体作用的边界条件求解流固耦合振动方程，解得辐射声场的表达式。
In comparison, I feel that the Mongolian singers really demonstrate what singing really is; a form of expression, communication and understanding through sound.
相比之下，我觉得蒙古歌手更能真实的演绎出歌曲的精华——即通过声音传达信息，以达到交流和沟通的目的。
Through compositional technique analysis of the work, the article explains the work's significance in his creation path and sums up the exploitation he made in piano's sound-expression.
文章试图通过对该作品作曲技术的分析，一方面说明这个作品在他的创作道路上所体现出的意义，另一方面也对其在钢琴音响表现力上的开拓做了归纳。
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