网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
吸收和隔离设备运转时产生的振动，可以防止发生()现象。
A.偏差
B.倾翻
C.共振
D.冲击
参考答案
更多 “ 吸收和隔离设备运转时产生的振动，可以防止发生()现象。A.偏差B.倾翻C.共振D.冲击 ” 相关考题
考题
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
考题
5、关于振动的叠加，以下说法正确的是：A．产生的合振动振幅时强时弱的现象称为共振；B．产生的合振动振幅时强时弱的现象称为拍频；C．合振动在1s内加强或减弱的次数称为拍；D．拍频为两分振动频率之差。
考题
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
热门标签
最新试卷
