[问答题]
Since the density of air decreases with ixv3, c)2m4tv(t hvec auk-)it4m lpd da c1bwb+jne3z5x1 0b9n increase in temperature, but the bulk modulus B is nearly independent of temperature, how would you expect the speed of sound waves in axa5miut1d0 3jn d9 ckbp)+4b zw1bel-ir to vary with temperature?