物体的振动幅度与频率有什么关系
问题描述:
外力作用频率与物体固有频率相同时振动幅度最大(共振)
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英语翻译This measure,a personal belief in the event,can vary amo1.street the there is black car it German a is big on也是连词成句英语翻译I ; have a classmate.she has big eyes and long ,blac英语翻译3.Take ActionTop salespersons don't just come up with a在RL串联电路中,电阻上电压为16V,电感上电压为12V,则总电压为_______?20V.请问这电压是怎么计算出来的?
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