Không thay đổi, cố định

(toán học) không đổi

Cái không thay đổi, cái cố định, cái bất biến

bất biến

invariable system

hệ bất biến

không đổi

invariable plane

mặt phẳng không đổi

Adj.

Unchanging, changeless, unvarying, invariant,unwavering, constant, steady, stable, regular; fixed, fast, set,rigid, uniform, unfailing, unexceptional: She is invariable inher opinion of a woman's right to abortion. His invariableroutine calls for a dawn swim, regardless of the weather. 2immutable, unchangeable, unalterable, unmodifiable: The law ofsupply and demand is invariable.

Permanent, fixed, enduring,abiding, eternal, unaltered, unvarying, unchanged, unvaried,unaltered, unmodified: The positions of the stars appear to beinvariable.

Adj.

Unchangeable.

Always the same.

Math. constant,fixed.

Invariability n. invariableness n. invariably adv.[F invariable or LL invariabilis (as IN-(1), VARIABLE)]