本文讨论缺乏拓扑不变性的磁流体静力学平衡位形。
In the present paper, we discuss the magnetostatic equilibrium of the magnetic field without topological invariance.
本文综述了关于某些拓扑不变量，六角链的极值和排序问题的一些研究进展及进一步思考。
In this paper, some results and further considerations on the extremes and orderings of hexagonal chains with respect to some topological invariants are introduced.
讨论了广义V_-多项式的基本定理，可乘性、拓扑不变性的充要条件以及广义二元色多项式及其应用。
Some basic theorems, multiplicability and topological invariance of the extended V-functions as well as extended dichromatic polynomials are discussed.
为了避免结果奇异，在优化过程中，给被删去的构件一个微小的截面积，使一个给定的拓扑组的结构维数保持不变。
In order to avoid a singular solution, we keep the dimension of the truss for a given topology unchanged by giving the truss member to be removed a tiny cross-sectional area.
拓扑是一门数学，它研究的对象是物体在平滑变形(例如伸长、挤压、弯曲、但不得切断或连接起来)之下仍会保持不变的性质。
Topology is the mathematical study of properties that are unchanged when an object is smoothly deformed, by actions such as stretching, squashing and bending but not by cutting or joining.
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.
设G为局部紧群，在一致连续函数空间U（ G）上，用两种方法证明左不变平均和拓扑左不变的等价性。
On uniformly continuous function space U(G), Equivalence of invariant mean and topological invariant mean is showed by two methods.
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.
提出了一种新型拓扑地图；该地图用激光的扇区特征和视觉的比例不变特征来联合表示节点。
A novel topological map is proposed in this paper, and its nodes are represented with the visual scale-invariant features and the beam features of the laser range finder.
该方法使特征定位基准在特征造型过程中保持不变，且不随特征定位约束参数的改变而变化，能很好地满足参数化变动设计与拓扑结构变异的要求。
This method keeps the location base of form feature invariance during the feature modeling and editing, and it is suitable for feature parametric variational design and topological variation.
该方法使特征定位基准在特征造型过程中保持不变，且不随特征定位约束参数的改变而变化，能很好地满足参数化变动设计与拓扑结构变异的要求。
This method keeps the location base of form feature invariance during the feature modeling and editing, and it is suitable for feature parametric variational design and topological variation.
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