invariant

英 [ɪnˈveəriənt]

美 [ɪnˈveriənt]

adj.  不变的; 恒定的

复数：invariants　

BNC.26080 / COCA.27422

牛津词典

adj.

• 不变的；恒定的
  always the same; never changing

英英释义

noun

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

adj

• unvarying in nature
  1. maintained a constant temperature
  2. principles of unvarying validity
  Synonym:changelessconstantunvarying
• unaffected by a designated operation or transformation

双语例句

• Abstract An improved image recognition and registration algorithm based on convex hull and affine invariant was presented.
  提出了一种新的基于凸壳和仿射不变量的图像识别和配准的方法。
• 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。
• In this paper, we incorporate Fourier transform with Log-Polar transform to achieve rotation invariant texture analysis.
  通过将对数极坐标和傅立叶变换结合，完成旋转不变的傅立叶纹理特征提取。
• Invariant corner features are often used in pattern recognition.
  拐点特征是模式识别中经常用到的一类不变量。
• The invariant set and attractor for a class of non-autonomous delay differential system are investigated in this paper.
  研究了一类非自治时滞微分系统的解的不变集与吸引集。
• An improved de-noising arithmetic is put forward by combining the new threshold function and translation invariant wavelet de-noising method.
  将这种新的阈值函数与平移不变小波去噪法结合起来，提出了一种基于平移不变小波去噪的改进算法。
• It is presented that one hierarchical method based on invariant feature for object recognition and location in complex background.
  提出利用目标的局部特征不变量，在复杂背景下对目标进行识别和定位的层次方法。
• It contains an invariant& that the lower bound is always less than or equal to the upper bound.
  它包含了一个不变式&下界总是小于或等于上界。
• This paper probes into invariant and normal form of matrix and its application to matrix theory.
  探讨了矩阵的不变量、准形及其在矩阵理论中的若干应用。
• The concept of vector relative degree is given, and the invariant property of vector relative degree is obtained.
  首先建立了非线性奇异系统的向量相对阶的概念，并给出了系统的向量相对阶的反馈不变性。