The field of a harmonic point source in layered media has certain angular distribution.
分层介质中简谐点源的声场具有确定的角度分布。
The paper first introduces the pre-parameter method of angular deflection for use in the calculations of dynamic stresses in rigidly-framed structures under harmonic vibrations.
本文介绍初参数的角变位移法在谐和振动作用下刚构动力计算中的应用。
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