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

• It is an effective method to use the invariant moment features for target recognition.
  利用图像的不变矩特征进行目标识别是一种有效的方法。
• 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。
• 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）。
• The charaters after affine transformation can also be recognized by a dyadic wavelet affine invariant function.
  仿射变换后的汉字或其它图像可用多尺度小波的仿射不变函数进行对比识别。
• 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。
• 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。
• 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。
• 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 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。
• 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。