结果表明：（1）圆板的模态声辐射效率在全频段内大体呈现随着振动频率的增高而增大的特点；

The results show that (1) the modal radiation efficiency increases with the increasing of the frequency in the whole frequency range;

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结果表明：（1）圆板的模态声辐射效率在全频段内大体呈现随着振动频率的增高而增大的特点；

The results show that (1) the modal radiation efficiency increases with the increasing of the frequency in the whole frequency range;

youdao