研究速度变化的轴向运动粘弹性梁在亚谐波共振及组合共振范围内的参数振动。
Parametric vibration of an axially moving, elastic, tensioned beam with pulsating speed was investigated in the vicinity of subharmonic and combination resonance.
遍及阿拉伯世界的发送影像的能力可能已经使得发生在突尼斯和埃及的事件产生更大范围的共振。
Its ability to transmit these images throughout the Arab world may have given events in Tunisia and Egypt far greater regional resonance.
节段模型风洞试验是研究涡激共振风速锁定范围和最大振动幅值的一种重要手段。
Wind tunnel test of sectional model is an important means for determining lock-in region of wind speed and maximal amplitude of vortex-excited resonance.
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