可以在上述的每一类型变换下考虑图形的不变性质。
One could consider invariant properties of figures under each of the above types of transformation.
如同在相容局部凸拓扑的理论中，拟相容局部凸拓扑的不变性质被获得。
As in the theory of compatible locally convex topologies, the invariant properties of quasi - compatible locally convex topologies are obtained.
本文在阴影检测中，利用颜色空间C1C2C3的颜色不变性质，提出了有效的阴影检测算法。
In the shadow detection, an algorithm based the invariability of color space C1C2C3 is proposed.
提出了非线性奇异系统的能控性子分布的概念；研究了非线性奇异系统能控性子分布的反馈不变性质；
The concept of controllability distribution is introduced for nonlinear singular control systems, and the feedback invariant properties of this controllability distribution are discussed.
在“信号与系统”课程中，时不变性是系统的重要性质。
The time-invariance is a crucial property of systems in the course of Signals and Systems.
分析了系统的非负不变性、边界平衡点性质及全局渐近稳定性。
Mathematical analyses of the model equations with regard to invariance of non-negativity, nature of equilibria and global stability are analyzed.
根据偏微分方程在无穷小变换下的不变性理论，研究经典场的对称性质和守恒量。
According to the invariance theory of partial differential equations under the infinitesimal transformations, the symmetries and conserved quantities of classical fields are studied.
该表示形式中没有权因子和额外的控制参数，而且具有几何不变性、仿射不变性等良好性质。
The representation has no weight factors or control parameters, and it is geometric and affine invariant.
拓扑性质具有对图形的平移、伸缩、旋转的不变性。
The topological properties for translation, rotation and scale is invariant pattern recognition.
证明了新的数据深度在保持原深度其他性质的基础上，把原深度的正交不变性改进为仿射不变。
The paper shows that the revised depth is of affine invariant besides the properties owned by the original depth.
通过矩阵运算，证明了奇异值特征矢量在图像做缩放变换时具有不变性，并将这种性质运用于图像匹配。
By matrix operation, the invariance of image singular value vector about the reducing and enlarging transformation is proved, and this character is applied to the image matching.
讨论了一类带有扩散和具有阶段结构与时滞的两种群捕食系统，分析了该系统的非负不变性、边界平衡点性质及全局渐近稳定性。
A system of retarted functional differential equations as a predator-prey model with stage structure and dispersion is discussed. Conditions for global stability of the system are given.
讨论了一类带有扩散和具有阶段结构与时滞的两种群捕食系统，分析了该系统的非负不变性、边界平衡点性质及全局渐近稳定性。
A system of retarted functional differential equations as a predator-prey model with stage structure and dispersion is discussed. Conditions for global stability of the system are given.
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