invariantiveadj.不变的
invariantadj.不变的n.不变量
invariant relativity principle不变相对原理
Invariant to mtation and scale旋转和比例不变
invariant tubular neighbourhood不变管状邻域
invariant set of decending flow下降流不变集
invariant distribution function不变分布函数
invariant differential operator不变微分算子
invariant em-bedding principle不变嵌入原理
invariant differential equations不变微分方程