invariant

adj.

无变化的，不变的；

n.

不变式，不变量；

time invariant时不变的；时不变

invariant system不变系统；不变量系统；无变系

1. Such values are read only and invariant.
   这些值都是只读和不变的。
2. The speed of light is an invariant constant.
   光速是一个不变常数。

1. 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。

Distortion Invariant Object Recognition in the Dynamic Link Architecture
Asymptotically Efficient Rank Invariant Test Procedures
Object Recognition from Local Scale-Invariant Features
Object Recognition from Local Scale-Invariant Features
Distinctive image features from scale-invariant keypoint
Distinctive Image Features from Scale-Invariant Keypoints
Distinctive Image Features from Scale-Invariant Keypoints
Object class recognition by unsupervised scale-invariant learning
Object class recognition by unsupervised scale-invariant learning
Lowe, D.G.: Distinctive Image Features from Scale-Invariant Key-points. Int. J. Comput. Vision 60(2), 91-110