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更多“两个共振是指两个频率相近的周期振动的叠加,这两个频率越是接近,共振越是强烈。() ”相关问题
  • 第1题:

    66、在鱼洗实验中,下列哪个说法是正确的? In the fish washing experiment, which of the following statements is true?

    A.当鱼洗器壁的振动频率越来越接近于鱼洗固有频率时,产生共振现象; Resonance phenomenon occurs when the vibration frequency of the wall of the fish washer is closer and closer to the natural frequency of the fish washer;###SXB###B.当鱼洗器壁的振动频率大于鱼洗固有频率时,产生共振现象; Resonance phenomenon occurs when the vibration frequency of the wall of the fish washer is greater than the natural frequency of the fish washer;###SXB###C.当鱼洗器壁的振动频率小于鱼洗固有频率时,产生共振现象; When the vibration frequency of the fish
    AD

  • 第2题:

    拍振是指两个频率相近的简谐运动合成的振动


    正确

  • 第3题:

    两个振动频率相同或相近的基团相邻,并具有一公共原子时,一个键的振动通过公共原子使另一个键的长度发生改变,产生 “微扰”,从而形成强烈的振动相互作用。 结果是使振动频率发生变化,一个向高频移动,另一个向低频移动,谱带分裂,这种相互作用称为费米共振。


    吸电子诱导效应

  • 第4题:

    受迫振动是在周期性外力(策动力)作用下的振动,稳态时的振动频率等于系统固有频率的频率,共振是指当周期性外力的频率趋近系统固有频率时所发生的现象。


  • 第5题:

    在鱼洗实验中,下列哪个说法是正确的? In the fish washing experiment, which of the following statements is true?

    A.当鱼洗器壁的振动频率越来越接近于鱼洗固有频率时,产生共振现象; Resonance phenomenon occurs when the vibration frequency of the wall of the fish washer is closer and closer to the natural frequency of the fish washer;#B.当鱼洗器壁的振动频率大于鱼洗固有频率时,产生共振现象; Resonance phenomenon occurs when the vibration frequency of the wall of the fish washer is greater than the natural frequency of the fish washer;#C.当鱼洗器壁的振动频率小于鱼洗固有频率时,产生共振现象; When the vibration frequency of the fish
    B