Finally, an approximating formula which is applicable for the whole frequency range is given.
最后给出了在全频率范围适用的声阻率近似公式。
The results show that (1) the modal radiation efficiency increases with the increasing of the frequency in the whole frequency range;
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;
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；
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