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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参考答案和解析
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更多 “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” 相关考题
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The open field system made livestock farming difficult.
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Earthquake forecast is improving.C
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单选题Which of the following statements is true regarding the VERSIONS BETWEEN clause？（）A
The VERSIONS BETWEEN clause may be used in DML statements.B
The VERSIONS BETWEEN clause may be used in DDL statements.C
The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.D
The VERSIONS BETWEEN clause may not be used to query past DML statements to tables.
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单选题Which of the following statements is not mentioned as serious consequences of coral loss?A
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