为适应超声加热治癌中控温的需求，提出了一种无损测温法。
A new method of noninvasive temperature estimation by ultrasound echoes with its experimental verification was 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.
例如，当神经细胞与超声波的距离过短时，细胞会因加热而致死。
When nerve cells were exposed to it at close range, for example, they heated up and died.
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