Certainly, this efficiency can be improved by increasing the coupling layer when the bandwidth is reduced at the same time.
当然，这个效率能随着耦合层的增加而提高，但这是以牺牲带宽作为代价的。
Characteristics of sound field and temperature field, and the relation between the width of coupling layer, the size and the position of treated area are presented.
本文运用差分法求解了聚焦超声加热的二维稳态温度场，比较了声场与温度场的特征，分析了耦合层厚度与治疗区大小、位置的关系。
Characteristics of sound field and temperature field, and the relation between the width of coupling layer, the size and the position of treated area are presented.
本文运用差分法求解了聚焦超声加热的二维稳态温度场，比较了声场与温度场的特征，分析了耦合层厚度与治疗区大小、位置的关系。
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