We present a method for constructing one-way wave equation with the use of a parameter that is related to the Angle of wave incidence.

本文通过引入一个与波的入射角度有关的参量，给出一种单程波动方程的构造方法。

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By way of parenthesis, in One-Point Input Method the relation is studied between the response and the correlative coefficient of horizontal and vertical earthquake wave.

本文的多点输入为顺河向和竖向的双向输入，附带研究了单点输入时双向地震动相关程度对反应的影响。

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