扑

Based on the ICM (independent continuous topological va riables and mapping transformation) method, a unified sm ooth model with weight objective and stress constraints was established for the topology optimization design of continuum structures.

基于独立连续拓扑变量及映射变换的拓扑优化方法应用于连续体结构，建立了统一的以重量为目标、考虑应力约束的连续体结构拓扑优化模型。提出基于综合评价的高效单元删除准则及算法。

Secondly,as an application ofφ-mapping topological current the-ory,the vortices in TDGL model have been studied.Some importantartificial hyperthesises in other theories have been changed into naturalresults ofφ-mapping topological current theory.The inner structureof vortices system in the TDGL model has been obtained in terms oforder parameter field.For the first time,the branch process of thevortex system in the TDGL model have been discussed.

其次，作为Ф-映射拓扑流理论的重要应用，本文研究了TDGL模型的vortex动力学，对过去该模型中的一些人为假设给予了合理而严格的理论基础，用序参数的Hopf指数和Srouwer度表征了拓扑荷，建立了该系统拓扑性质的新理论，并首次探讨了TDGL模型中的vortex的分岔过程。

5Topological inversion is applied to solve the transition problems from topological graph to practical gear train mechanisms. Four variant directions of topological inversion is noted and topological inversion chart library is founded.

5运用拓扑反演解决了由轮系拓扑图过渡到实际轮系机构的转换问题，指出拓扑反演的四个变化方向，建立了周转轮系的拓扑反演图库。

Swartz in 1989 is not the strongest admissible topology having the same boundedness as the weak topology σ.

C.Swartz于1989年引进的K并非具有与弱拓扑σ相同有界性的最强可容许拓扑，本文找到了这种最强的可容许拓扑，从而改进了C.Swartz的结果。

And ourresearch focuses on the following aspects: position based beaconless routingalgorithm, performance comparison of position based and topology based routing,position based and topology based hybrid routing algorithm and routing maintenancealgorithm of DSR by using position information.

本文针对移动ad hoc网络中的路由技术，对移动ad hoc网络中的基于拓扑和基于位置的两大类路由算法和协议进行了总结和分析，集中研究了以下几个方面的内容：基于位置的无信标的路由算法，基于拓扑和基于位置路由算法的性能比较，基于拓扑和位置信息的混合路由算法，以及利用位置信息对动态源路由的路由维护进行改进的算法。

The core thought of retiform topology discovery algorithm is penetration strategy based secondary source routing topology discovery algorithm, which has greatly improved the discovery probability of boundary router, furthermore, has improved the fraction of coverage of the whole topology discovery.

其中网状拓扑结构发现算法核心思想是基于穿透策略的二次源路由拓扑发现算法，其优点在于大大提高了边界路由器的发现概率，进而增大了整个拓扑发现的覆盖率。

Then defined the tasks on network layer, such as topology management, short address management and routing. Secondly, this paper designed the functionality of different nodes and the state machine, implemented beaconed tree mode topology and the corresponding routing protocol.

其次，本文在讨论的基础上定义了树状拓扑中各类节点的基本协议行为，给出了各类节点的状态机，实现了树状拓扑中基于Beacon技术的树状路由协议；在Mesh拓扑的设计中，本文采用了Non-Beacon模式，同样根据节点的功能进行了分类，最终在Router~2节点上实现了改进之后的AODV路由协议。

The method rescinds the relationship between peer identifier and logical location in topology construction, so that the network has the good tolerance capability for the non-transitivity connectivity nodes.

更多包含非传递连通节点的网络拓扑的问题，提出了非确定性DHT的拓扑构造方法，从拓扑构造上解除了非传递连通节点的标识与逻辑位置对应的关系，使网络对非传递连通节点具有较好的容忍能力。

While this decomposition should allow a topological management on significant objects, a direct topological management on simplexes would waste too much space on the storage medium, and the topological relationships on every simplexes are not really interesting.

这种分解应该允许一种对重要对象的拓扑操作，一个直接对的单个目标拓扑操作太过于浪费存储空间，并且每个单个物体的拓扑关系并没有什么意义。

Topological structure: The mesh topological data are used to depict the space geometric shape, namely, the topological structure formed by several mesh units constructed by a certain connection order. They have types of points, line-segments, triangles, polygons, tetrahedrons, hexahedron, pyramids and cuneate shapes.

拓扑结构：网格拓扑数据是用来刻画数据分布区域的空间形状，即若干网格单元按一定的连接顺序所构成的拓扑组织，其类型有点、线段、三角形、多边形、四面体、六面体、角锥体和楔形等。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。