Research of acoustical environment of classrooms is a current hotspot in architectural acoustics.

教室室内声学问题是当前建筑声学的一个研究热点.

Acoustical imaging by Bragg diffraction

布拉格衍射声成像

Acoustical holography by laser scanning

激光束扫描声全息

Acoustical holography by mechanical scanning

机械扫查声全息

How to get maximal power handling and acoustical output?

如何得到最大可承受功率和声输出？

Specifically, snow tends to absorb higher frequency acoustical.

更特别的是雪往往倾向于吸收高频率的声波。

Specifically, snow tends to absorb higher frequency acoustical waves.

具体来说，积雪倾向于吸收震动率高的声波。

The mathematical model simulating beamforming acoustical holography has been built.

本文建立了模拟声全息的数学模型。

In addition to manufacturing, they are a supplier of acoustical materials, acoustical products, and acoustical supplies.

除了生产外，公司还供应隔音材料，隔音制品和隔音用的生活用品等。

Acoustical Doors. Acoustical doors are doors specially designed and constructed for use in all situations when sound control is desired .

隔音门。隔音门是专为需要控制声音的场合而设计和构建的。