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

• The energy levels for three-dimensional coordinate-momentum coupled quantum harmonic oscillators are presented by using invariant eigen-operator method.
  利用不变本征算符法给出了坐标-动量耦合的三模耦合量子谐振子的能级信息。
• 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。
• Methods The method of estimating invariant sets Hausdorff dimension of a finite collection of contraction maps was used.
  方法利用压缩映射不变集的维数的估计方法。
• A new GM ( 1,1) model is given based on response invariant method.
  基于响应不变法，提出了一种新的GM（1，1）模型。
• 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。
• By making use of the basic invariant, the squeezed states and squeezed number states for this time-dependent system are also constructed.
  文中研究了广义含时谐振子系统的不变量和不变量的一般形式，并利用基本不变量构造了此含时系统的压缩态和压缩数态。
• The invariant tensor under projective transformations of semi-symmetric metric-recurrent connections is obtained.
  给出了半对称度量循环联络在射影变换下的不变张量。
• This paper puts forward a new method of invariant texture classification for remote sensing image.
  本文提出了一种遥感图像旋转不变纹理分类的新方法。
• 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。
• 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。