The acceleration amplitude of upper structure is larger than lower.
结构上部的加速度幅值大于下部的加速度幅值。
This state that the amplitude affect on aerodynamic performance of the structure cannot be neglected.
这充分说明，振幅的变化对结构本身气动性能的影响是不容忽视的。
This state that the amplitude affect on aerodynamic performance of the structure cannot be neglected.
这充分说明，振幅的变化对结构本身气动性能的影响是不容忽视的。
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