[计] 协变的

[ adj ]
changing so that interrelations with another variable quantity or set of quantities remain unchanged
<adj.all>

Covariant \Co*va"ri*ant\ (k?-v?"r?-ant), n. (Higher Alg.)
A function involving the coefficients and the variables of a
quantic, and such that when the quantic is lineally
transformed the same function of the new variables and
coefficients shall be equal to the old function multiplied by
a factor. An invariant is a like function involving only the
coefficients of the quantic.