问题
填空题
高速列车车轮在某一速度范围有规律的反复作用可能引起桥梁的(),使桥梁的挠度、竖向加速度增大。
答案
参考答案:共振
高速列车车轮在某一速度范围有规律的反复作用可能引起桥梁的(),使桥梁的挠度、竖向加速度增大。
参考答案:共振
阅读下面短文,完成表格信息。 | |||||||||||||||||||||||||
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