invariantiveadj.不变的
invariantadj.不变的n.不变量
invariant with respect to direction.就方向上来讲不变的。
invariant moment vector standardization不变矩矢量标准化
invariant electrical length interferometer恒电长度干涉仪
invariant principle of differential equation微分方程不变原理
invariant electric potential electro-analysis sensor恒电位电解式传感器