Secondly, carry on the mode analysis to the girder, research the girder vibration property and the probability of crackle takes shape in the vibration effects of traveling organization pedestal.
其次，本文对主梁进行了模态分析，研究了主梁的振动特性以及运行机构底座处下盖板在振动的影响下，产生裂纹的可能性。
Natural vibration characteristic of gun tube was analyzed triumphantly. Vibration frequency and mode shape were obtained.
对某火炮身管固有振动特性进行了分析，计算得到了振动频率和振型。
In this paper, the vibration mode shape measuring principle for the blade is presented.
本文简要介绍了振型测量的基本原理。
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