qualities that are comparable; "no comparison between the two books"; "beyond compare" 同义词:comparison, compare, equivalence,
百科解释
In mathematics, any two elements x and y of a set P that is partially ordered by a binary relation ≤ are comparable when either x ≤ y or y ≤ x. If it is not the case that x and y are comparable, then they are called incomparable.