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
- maintained a constant temperature
- principles of unvarying validity
- unaffected by a designated operation or transformation
双语例句
- 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。 - 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 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)。 - 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 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。 - It contains an invariant& that the lower bound is always less than or equal to the upper bound.
它包含了一个不变式&下界总是小于或等于上界。 - 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。 - 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。