The second order Doppler shifts, δ SOD , were estimated in terms of the Debye theory and the isomer shifts, δ IS , were obtained as the differences between the experimentally determined δ CS and the estimated values of δ SOD .
二级多普勒移 δSOD用德拜理论估计 ,并由 δCS的实验值与 δSOD的估计值之差获得同质异能移 δIS。