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。
• This paper proposes an image matching method based on the invariant feature of circle projection and histogram.
  本文在对不变矩进行深入探讨的基础上提出了一种基于圆投影及直方图不变特征的图像匹配方法。
• 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。
• Consistency: A transaction preserves all the invariant properties ( such as integrity constraints) defined on the data.
  一致性：事务保持数据上定义的所有不变的属性（如完整性约束）。
• 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。
• 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。
• Invariant corner detection is a most important preprocessing step for image shape classification and recognition.
  在图像形态分类与识别系统中，不变性角点检测是很重要的预处理环节。
• The speed of light is an invariant constant.
  光速是一个不变常数。
• 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 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。