invariant

英[in'vɛəriənt]美[in'vɛəriənt]

a.
1.无变化的，不变的
n.
1.不变式，不变量

名　词：invar'iance

同：	[a.] changeless, constant, unvarying

The cheapest way to get one is to invoke the spectral theorem and to conclude that normal operators always have non-trivial invariant subspaces
取得这样结果的最省力的尝试是引用光谱定理而得到正规算子恒有非平凡不变子空间的结论。收藏
The first invariant of strain is independent of the coordinate system being used
第一应变不变量与所用的坐标系无关。收藏
One could consider invariant properties of figures under each of the above types of transformation
可以在上述的每一类型变换下考虑图形的不变性质。收藏
The speed of light is an invariant constant
光速是一个不变常数。收藏
In other words, The Hermiticity of a matrix is invariant under unitary transformations
换言之，矩阵的厄密性在幺正变换下保持不变。收藏

　　　 more...

a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it

unaffected by a designated operation or transformation
persistent in occurrence and unvarying in nature
- maintained a constant temperature
- principles of unvarying validity
[同] constant, invariant, unvarying, changeless

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