It is also used for the difference between the observedposition of an object (minor planet or comet) and the position calculated from an orbit.
该术语也用于描述观测的某天体(小行星或彗星)的位置与轨道计算值之间的差别。
2
In Astrometry, the term is applied to the difference between the observedposition (or magnitude) of a reference star and the position (or magnitude) listed in the star catalog.
在天文上,本术语指的是观测的参考星的位置(或星等)与星表上的该星的位置(或星等)的差值。
3
He carefully observed the shrug of one man's shoulders, the position of another's hands, the scowl on one face and the frown on another.