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。
Acoustical doors are doors specially designed and constructed for use in all situations when sound control is desired.
隔音门是专为需要控制声音的场合而设计和构建的。
Sound absorption and insulation is the acoustical characteristic of material. Measurement of sound absorption and insulation has an important significance in noise control and acoustical design.
吸声与隔声是材料的声学特性，吸声与隔声测量对噪声控制与声学设计具有重要意义。
The result provides valuable reference for projects including noise control diagnosis acoustical environment design etc.
计算结果可为噪声控制、故障诊断、声环境设计等工程实际应用提供有价值的参考。
The result provides valuable reference for projects including noise control diagnosis acoustical environment design etc.
计算结果可为噪声控制、故障诊断、声环境设计等工程实际应用提供有价值的参考。
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