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

• 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）。
• 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。
• 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。
• The experimental results demonstrate that this method is invariant to rotation without relying on the center of the fingerprint.
  实验结果表明，该算法不依赖指纹的中心点，具有旋转不变性。
• 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。
• 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。
• 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。
• 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 speed of light is an invariant constant.
  光速是一个不变常数。
• 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。