timing parallactic

• 定时视差

timing parallactic的用法和样例：

例句

1. The parallactic refraction between the stars and the satellite is small and well determinate, except for the irregular stellar movements known as erratics.
   除了通称为游动的不规律星体运动之外，恒星和卫星之间的视差折光差微小，而且是容易测定的。