Methods Use a standing wave tube to measure the sound absorption coefficient of many kinds of grain.
采用驻波管法测量了多种粮食的吸声系数。
The sound absorption coefficient 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。
The sound absorption coefficient 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。
应用推荐