试验结果表明：随着激励振级加大，板状燃料组件的第一阶共振频率减小；

As excitation magnitude increases, the 1st resonant frequency of the parallel plate fuel assembly decreases.

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试验结果表明：随着激励振级加大，板状燃料组件的第一阶共振频率减小；

As excitation magnitude increases, the 1st resonant frequency of the parallel plate fuel assembly decreases.

youdao