Main research content including: 1 Have studied a same diameter shaft, study how to make use of the change of natural frequency to discern the transverse crack.
本文主要的研究内容包括：1以最简单的等直径光轴为例，研究了利用固有频率的变化来识别光轴上横向裂纹的可行性。
Main research content including: 1 Have studied a same diameter shaft, study how to make use of the change of natural frequency to discern the transverse crack.
本文主要的研究内容包括：1以最简单的等直径光轴为例，研究了利用固有频率的变化来识别光轴上横向裂纹的可行性。
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