Exact measurement for the actual vibration frequency of the blade was the focus.
准确地测量叶片实际振动的频率和振幅已成为透平机械的一个重要研究方向。
Electric shock and head, strength, vibration frequency is high, up to 25000 times per minute.
电动式(可选气动)震动刀枪头，力量强劲，震动频率高，每分钟可达25000次。
Why is natural frequency important in vibration analysis?
在振动分析中，为什么自然（固有）频率很重要？
Free Vibration and Natural Frequency;
自由震动和自然频率；
The local mode frequency and the local vibration are also analyzed particularly.
分析了含杂质晶格振动模频率相对于完整晶格振动模频率的变化。
The local mode frequency and the local vibration are also analyzed particularly.
分析了含杂质晶格振动模频率相对于完整晶格振动模频率的变化。
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