平面图

For any planar graph G of order n ,if g ≥ 4,then e ≤ 2n — 4 and δ≤ 3

我们可以证明，如果Δ≥9和g≥4，或者Δ≥8和g≥6，那么平面图G存在均匀Δ-染色

The problem of deciding whether an arbitrary undirected planar graph $G$ is a Hamiltonian is one of six best important {bf NP}-complete problems.

判定一个任意的无向可平面图G是否是哈密顿图问题是六个重要的NP完全问题之一。

Any graph which can be redrawn in this way without crossings is called a planar graph,such graphs being of the utmost importance in the theory of graphs.

任何能够按这种方式重画为一个没有交叉线的图称为平面图，这种图在图论中极为重要。

Any graph which can be redraen in this way without crossing is called a planar graph,such graphs being of the utmost importance in the theory of graphs.

一个图如果能够按这种方式重画为一个没有交叉线的图成为平面图，这种图在图论中极端重要。

A Halin graph is a planar graph consisting of a tree with no vertex of degree two and a cycly connecting the leaves of the tree. We write .

Halin图是一个在平面上由内部点度数大於2的树及连接树的叶子的圈所组成的平面图，我们将Halin图用来表示。

This dissertation summarizes all kinds of topological relationships and spatial operations, and uses the conception realms to design the data structure of spatial region objects, and devises the red、blue planar graph algorithm, and makes use of red and blue sweep-line algorithm to implement the spatial topological analysis operations on layers of region objects. At the end, further works and improvements are presented.

本文 对空间拓扑分析操作进行了归纳总结，并且基于 Realms 概念探讨了空间区域对象的数据结构以及红蓝区域平面图算法，文章详细讨论了针对双层红蓝区域对象的各种空间拓扑分析算法的实现，最后是该类问题的进一步改进和构想。

Diagonal mesh is a planar graph with fixed connection number per node.

对角网格是可平面图，其结构简单，可扩充性非常好。

But due to the difficulties of the theoretical calculation and the limitation of the technique of image display, only some two-dimensional graphs of electromagnetic field of a planar set of point charges or symmetrically and uniformly charged bodies, which ignores the boundary effect, are introduced in the present electromagnetics teaching materials.

然而，由于受理论计算和图象显示技术等因素的限制，目前的电磁学教材中，通常只能给出平面分布的点电荷系或具有较强对称性、忽略边界效应的带电体的电力线和等势线的二维平面图。

First according to design grass diagram, and the size of diagram paper, draw standard of plane chart, then set up a mold in the 3ds max, among them in the material choice within 3ds max the top the basis the book and that market research do of choice, price reasonable, material safety practical.

首先根据设计草图，以及图纸上的尺寸，绘制出标准的平面图，然后在3dsmax中建模，其中在3dsmax中的材质选择上是根据书中以及市场调查所做出的选择，价格合理，材料安全实用。

This graduation design main is to Xi Yuan high school this the campus network of the school construction carry on of programming and design, for true accurately carry on programming design, oneself special carried on Xi Yuan a high school of actual investigate, according to actual the circumstance carry on analysis and drew a school of whole programming layout plane chart, by this actual get this time design project, in the project the equipments, facilities involve choice and install the location all have in many ways consideration, but be subjected to technique knowledge etc.

本毕业设计主要是对西苑中学这所学校的校园网络建设进行的规划与设计，为真实准确的进行规划设计，本人特别进行了西苑中学的实际勘察，根据实际情况进行分析并绘制出了学校的整体规划布局平面图，藉由此实际得出了本次设计方案，方案中所涉及设备、设施选择及安装地点均有多方考虑，但受技术知识等因素限制本设计如有纰漏敬请指出改正。

What are your goals and strategies for growth?

你的成长目标和策略是什么？

And unto the angel of the church in Sardis write; These things saith he that hath the seven irits of God, and the seven star I know thy works, that thou hast a name that thou livest, and art dead.

3：1 你要写信给撒狄教会的使者，说，那有神的七灵和七星的，说，我知道你的行为，按名你是活的，其实是死的。