torsional oscillations 中文意思是什麼
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The period of these torsional oscillations depended on the rotational inertia of the helium ; the oscillations occurred more rapidly when the inertia went down, just as if the mass of the helium decreased
這種扭轉振?的周期取決于氦的轉動慣量，轉動慣量減少時振?加快，看起來好像是氦的質量減少了。 -
Then, considering the existing of the ground water, we can treat the soil layer below the water level as the saturated one and the soil layer above the water level as the single - phased elastic one. using this model, the torsional oscillations of the rigid disk resting on the saturated ground with an elastic layer is studied and the effects of the elastic layer on the foundation ' s vibration are discussed
接著，考慮到地下水的存在，將地下水位以下的土層視為飽和土，地下水位以上的土層視為理想的單相彈性層，按此模型研究了上覆單相彈性層的飽和地基上剛性基礎的扭轉振動問題，分析了彈性層的存在對基礎振動的影響。
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