词汇	置换算符
释义	置换算符医permutation operator
随便看	rate of aspiration rate of assessment rate of attendance rate of attenuation rate of attenuation of filter rate of average change of air pressure Rate of average load rate of avoidance rate of avoltive grain Rate of awareness rate of axis movement rate of back pressure rate of bad order cars rate of ball recovery rate of bandwidth utilization rate of bearing variation rate of bed load transportation rate of bending rate of berth utilization rate of biodegradation rate of blood flow rate of blowdown rate of body weight gain rate of boiling rate of bond interest