释义 |
sound absorption 基本例句 吸声,吸音作用,声吸收 The emphasis is to study thesound absorptionproperties of gradient polyurethanes at different temperatures and pressures.研究了梯度聚氨酯在不同温度和压力下的水声吸声性能。 Thesound absorptioncoefficient of the material was tested by standing wave tube method.采用驻波管法测试材料的吸声系数。 |