parallax
/ˈpærəlæks/noun
mass noun
1- the effect whereby the position or direction of an object appears to differ when viewed from different positions, e.g. through the viewfinder and the lens of a camera视差。
1.1
- count noun the angular amount of this in a particular case, especially that of a star viewed from different points in the earth's orbit视差（尤指地球运行时不同位置观察到的星位角度）。
派生词
parallactic
adjective词源
late 16th cent. （also in the general sense 'fact of seeing wrongly'）： from French parallaxe, from Greek parallaxis 'a change', from parallassein 'to alternate', based on allassein 'to exchange' （from allos 'other'）.