constant deviation 恒偏向 ; 固定自差

constant deviation spectrograph 恒偏向摄谱仪

method of constant deviation 恒偏法

constant deviation system 固定离差系统

constant deviation reflector 恒偏反射镜

constant-deviation spectrometer 定偏角光谱仪

constant-deviation fringe [光] 等偏条纹

constant deviation prism 恒偏棱镜 ; 恒偏向棱镜

constant deviation fringes 恒偏向条纹