查询词典 polyhedrons

In elliptic case,the compactness of"convex polyhedrons"is destinedto be true because of the"local Lipschitz continuity of convex functions",whilein parabolic case,we cannot expect convex-monotone functions have such goodproperties as convex functions.

在广义解存在性的证明中，参考椭圆情形由"凸多面体"逼近的思想，我们采用了由一种特殊构造的"凸单调多面体"逼近的途径，但在证明这种凸单调多面体族的紧性时，我们遇到了困难。

It is proved that all monic polynomials of order n with roots lying in some open region on the complex plane forms a simply connected set in the polynomial parameter space. Based on this result, Edge Theorems for D-stability of general polyhedrons of polynomials and Boundary Theorems for D-stability of compact sets of polynomials are obtained.

证明了其根位于复平面中某开域的所有n阶多项式的全体构成多项式参数空间中的一个单连通集，并基于这一结果进一步提出了关于一般多面体多项式族D-稳定性的棱边定理和关于一般多项式紧集D-稳定性的边界定理。

The precision of our algorithm is high. Additionally the shortest path problem among polyhedrons in 3D space is studied.

本文进一步研究了三维空间体障碍物群中两点间的最短路径问题。

Additionally the shortest path problem among polyhedrons in 3D space is studied.

本文进一步研究了三维空间体障碍物群中两点间的最短路径问题。

The basic cells of this structure are polyhedrons in foam theory which fill three dimensions efficiently.

这种新型结构的基本单元是气泡理论中对三维空间进行有效填充的多面体。

Next, introduced a series of parallel slices to cut the simplex to produce the lower dimensional polyhedrons.

在现有求解整数线性规划问题的定界阻止算法的基础上提出了一种改进。

Un-conventional polyhedrons such as tetrahexahedrons bound by high index planes have also been achieved by electrochemical method.

表面具有高指数晶面结构的二十四面体等多面体也已经由电化学方法得到。

In addition a novel crystal structure, particularly suited to the fabrication method mentioned above and consisting of concatenated polyhedrons, is revealed.

此外，还指出了尤其适合于上述制造方法，并由链接的多面体组成的新颖晶体结构。

Some new notions are defined, such as I-convex sets, I-convex polyhedrons, vertices and so on. And then, based on these new notions, we get a similar conclusion with that of linear programming.

在汪培庄[69]工作的基础上，讨论了更一般的格化线性规划模型，给出了其解集的结构及能求得全体最优解的算法；在方述诚等人

On the basis of this view we elucidate that the structure units,which dominate the crystal morphology,are anionic coordination polyhedrons.

由此进一步阐明了组成晶体结晶形态的结构基元是负离子配位多面体。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。