"光行差"是个多义词，它可以指光行差（天文学术语）,光行差（英语单词）。
n. aberration
高速运动物体远视形象的转角问题可以用光行差现象解释。
The rotated Angle of the visual appearance of rapidly moving objects at a distance may be explained by the phenomenon of aberration.
在计算辐射的相位、余纬角和偏振位置角过程中考虑了光行差效应和延迟效应。
Aberration and retardation effects are also taken into account when calculating pulse phase, colatitude Angle and position Angle.
利用这个期间的资料，初步研究了FK_4星表的系统误差和改进光行差常数等问题。
Using the data obtained during this period, the problems of determining the systematic error of FK_4 catalog and improving the constant of aberration are investigated.
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