利用连续线性系统的随机振动理论，研究非均匀地基土层地震的动力反应问题。

Using the stochastic vibration theory of continuous linear system, this paper studies the dynamic response problem of non-homogeneous soil foundation.

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本文讨论了奇异线性定常连续随机系统最小阶滤波器的设计问题。

In this paper, formulas are derived for the minimal order filter in a singular, linear time-invariant, continuous and stochastic system.

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