定义：凹面对声波形成集中反射，使反射声聚焦于某个区域，造成声音在该区域特别响的现象。
高强度超声聚焦 high intensity focused ultrasound ; HIFU
声聚焦试验片 sound focus test film
高强度聚焦超声 High-intensity focused ultrasound ; HIFU ; high intensity focused ultrasound ; high-intensity focused ultrasoundablation
超声聚焦治疗 focused ultrasound ; FUS
高能超声聚焦刀 HIFU ; high-intensity focused ultrasound
超声聚焦 High Intensity Focused Ultrasound ; HIFU
超声聚焦刀 High Intensity Focused Ultrasound ; HIFU
超声聚焦疗法 high intensity focused ultrasound ; HIFU
超声聚焦治疗术 HIFU ; High Intensity Focus Ultrasound
The effect factors of the acoustic focusing and the acoustic covering technology in the multi-path acoustic channel are analyzed by computer simulation and water-tank experimental researches, which also validate the technology's correctness, feasibility and practicability.
通过计算机仿真与水池实验研究分析了影响水平阵声聚焦和声屏蔽技术实现的因素,并验证了原理的正确性,方法的可行性与实用性。
参考来源 - 浅海多途信道中声聚焦与声屏蔽技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
球形构造声聚焦问题始终是建筑声学设计中的一个难点。
It is a difficulty in the design of architectural acoustics all the time that spherical conformation creates sound focusing.
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.
基于射线声学的虚源法，通过具体算例，分析了典型声源声聚焦引起的测量误差。
Here the measurement errors due to acoustic focusing of typical sound sources are analyzed by detailed examples based on the method of image sources in the Ray Theory.
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