动力机械、机械工程或机电工程等相关专业，大学专科及以上学历。
College at least in major of mechanical engineering or related.
动力机械的辐射噪声产生于结构表面振动，通过控制振动来控制其辐射噪声是机械工程师长期追求的目标。
The radiated noise of the dynamical mechanism comes from its surface vibration. Controlling the vibration to reduce the radiated noise is a long-term aim for most researchers.
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