To test and verify the reliability of equivalent beam method, finite element method is applied to the analysis on dynamic characteristic of frame style subway bridge.

为验证等效梁法的可靠性，运用有限元法对框架式地道桥的动力特性进行了分析。

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The test results show that this method can describe the dynamic characteristic of data steam effectively, and the effect of classification is evident.

实验结果表明，该方法能对数据流进行有效的动态特征描述，分类效果明显。

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