...stimulation of the same ear; SYN: ipsilateral acoustic reflex 同耳刺激产生的单耳声反射 acoustic reflex decay 声反射衰减 perstimulatory reduction in the magnitude of the acoustic reflex, considered abnormal if it is reduced by over 50% of in...
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本文报道了近年来我国在生物组织超声特性——传播速度、衰减、吸收、反射、散射和非线性声参量方面的研究进展情况。
We reported the main progress made in China in recent years of the study of ultrasonic tissue characterization-propagation velocity, attenuation, scattering and nonlinearity parameter, etc.
文中详细研究了梯度高分子溶液在不同频率下，聚合物厚度及梯度结构的变化对反射声衰减效果的影响。
The effects on the underwater sound attenuation by the thickness and concentration gradient of polymers were measured in a sound tube at different frequency during the polymers dissolution process.
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