同时，声衰减系数的存在有利于轴向分辨率的提高。

Meanwhile, the existence of the acoustic attenuation coefficient benefits the axial resolution.

youdao

前言：目的：研究声衰减系数、声速、温度等媒质参数对声聚焦的影响。

Objective: Study the influence of parameters such as attenuation coefficient, velocity of sound, and temperature of medium on focusing sound field.

youdao

前言：目的：研究声衰减系数、声速、温度等媒质参数对声聚焦的影响。

Objective: Study the influence of parameters such as attenuation coefficient, velocity of sound, and temperature of medium on focusing sound field.

youdao