打点计时器周期不稳定原因?原因之一是弹片的固有频率与交流电频率不一致造成的,而弹片振动不是受迫振动么,那么振动周期就应与驱动力频率一致,与固有频率有啥关系?两者不一致(即不
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![打点计时器周期不稳定原因?原因之一是弹片的固有频率与交流电频率不一致造成的,而弹片振动不是受迫振动么,那么振动周期就应与驱动力频率一致,与固有频率有啥关系?两者不一致(即不](/uploads/image/z/7977808-64-8.jpg?t=%E6%89%93%E7%82%B9%E8%AE%A1%E6%97%B6%E5%99%A8%E5%91%A8%E6%9C%9F%E4%B8%8D%E7%A8%B3%E5%AE%9A%E5%8E%9F%E5%9B%A0%3F%E5%8E%9F%E5%9B%A0%E4%B9%8B%E4%B8%80%E6%98%AF%E5%BC%B9%E7%89%87%E7%9A%84%E5%9B%BA%E6%9C%89%E9%A2%91%E7%8E%87%E4%B8%8E%E4%BA%A4%E6%B5%81%E7%94%B5%E9%A2%91%E7%8E%87%E4%B8%8D%E4%B8%80%E8%87%B4%E9%80%A0%E6%88%90%E7%9A%84%2C%E8%80%8C%E5%BC%B9%E7%89%87%E6%8C%AF%E5%8A%A8%E4%B8%8D%E6%98%AF%E5%8F%97%E8%BF%AB%E6%8C%AF%E5%8A%A8%E4%B9%88%2C%E9%82%A3%E4%B9%88%E6%8C%AF%E5%8A%A8%E5%91%A8%E6%9C%9F%E5%B0%B1%E5%BA%94%E4%B8%8E%E9%A9%B1%E5%8A%A8%E5%8A%9B%E9%A2%91%E7%8E%87%E4%B8%80%E8%87%B4%2C%E4%B8%8E%E5%9B%BA%E6%9C%89%E9%A2%91%E7%8E%87%E6%9C%89%E5%95%A5%E5%85%B3%E7%B3%BB%3F%E4%B8%A4%E8%80%85%E4%B8%8D%E4%B8%80%E8%87%B4%EF%BC%88%E5%8D%B3%E4%B8%8D)
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