The main effect is to raise the fundamental slosh mode frequency.

主要作用是提高基本的晃动频率。

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Step four: the main frequency spectrum of the acoustic analysis.

步骤四：进行该声波主要频谱的分析。

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Step four: the main frequency spectrum of the acoustic analysis.

步骤四：进行该声波主要频谱的分析。

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