形容詞 covariant:

1. changing so that interrelations with another variable quantity or set of quantities remain unchanged

co.var.i.ant

adj.（形容詞）
Physics Expressing, exhibiting, or relating to covariant theory.
【物理學】 協(xié)變式的：表達協(xié)變理論的，顯示協(xié)變理論的，與協(xié)變理論有關的
Statistics Varying with another variable quantity in a manner that leaves a specified relationship unchanged.
【統(tǒng)計學】 協(xié)變的：以使某一特定關系不變的方式與另一變量同時變化的