搜索结果: 1-1 共查到“军事医学与特种医学 speed”相关记录1条 . 查询时间(0.094 秒)
Calculation of the relative speed of sound in a gas mixture
frequency spectrum speed sound gas mixture
2009/7/20
Since the frequency spectrum of a voice signal is directly dependent on the velocity of sound, studies of speech spectra include the problem of calculating the speed of sound in the gas mixture being ...