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本中文根据已记录到的三个正交方向的平动地震动分量，提出了一个计算地震动转动分量时程方法。本文的方法适当地考虑了波的入射角与频率的关系。文末给出了转动分量的数值例子。
In this paper, based on the recorded translational components of the three orthogonal directions, a time-history method is proposed to calculate the rotational component of ground motions. The method in this paper properly considers the relationship between the incident angle of the wave and the frequency. The article gives the numerical example of the rotational component.