Based on the wind tunnel test, aerodynamic modal force spectrums of twin-tower tall building are studied using surface integral method of rigid model.

在双塔楼风洞试验基础上，采用刚性模型表面风压积分法对双塔高层建筑气动力谱进行了研究。

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This paper gives the conversion formula from the first type surface integral to the first type curvilineal, and sets a example of using the method to solve exercises.

本文建立了一种特殊的第一型曲面积分与第一型曲线积分的转化公式，并通过实例表明该方法在解决问题时所带来的方便。

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That the modified surface current will be given using the method of moments to solve either the electric or magnetic field surface integral equation at the resonant frequencies.

众所周知，在内谐振频率点上，用矩量法求解电场或磁场表面积分方程将得到不正确的表面电流。

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