1)off centre,偏心;偏离中心2)to get out of true,从中心偏离3)offcenter,偏心，离心4)central bias function,中心偏离函数5)offsetting distance,偏心距离6)off-centering,中心偏移，偏心的
用法例句
A central bias function and an arithmetic of pitch detection based on central bias function were proposed for the transition sound,which cannot be detected by the traditional arithmetic of pitch calculation.
