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

• This paper presents a novel object tracking method based on SIFT ( scale invariant feature transform) feature matching.
  提出一种基于尺度不变特征变换（SIFT）特征匹配的目标跟踪方法。
• 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。
• 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。
• Because all of the invariant tasks are executed you can save this image in your private catalog.
  由于执行了所有这些非变量任务，所以您可将此映像保存到您的私有目录中。
• Rotation Invariant Analysis Approach to Texture Image Classification Based on Radon Transform and Bispectrum Analysis
  一种基于Radon变换和双谱分析的纹理旋转不变性分析方法
• 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 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。
• 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。
• 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。