查询词典 topologies

In order to solve the problem of assigning minimum protection capacity, some ideal topologies are given and the algorithm of spanning tree construction is analyzed, and then an algorithm based on these is proposed to solve the problem of one link failure.

为了解决如何分配更少的保护容量的问题，该文提出了一些理想的拓扑结构，研究了支撑树算法。在这两者的基础上针对一条链路出现故障的问题给出了利用理想拓扑的保护容量分配算法。

Chain reconfiguration modular robots form systems with many degrees of freedom which are capable of being reconfigured to form arbitrary chain-based topologies.

链重组的模块化机器人具有非常多的自由度，能够重组成多种基于链的拓扑结构。

Requirement of normal operation for series hybrid APF with fundamental bypass channel, which is one of the topologies with high ratio between the VA ratings of the load and inverter, is specified.

带基波电流旁路通道的串联混合有源电力滤波器是高负载／逆变器容量比的的拓扑之一，本文详细分析了该拓扑正常工作需满足的条件。

As the Internet grows up,new communication needs such as one-many data transfer applications arise,and there are three choices of multicast communication models.We present some simulations of Pure-Unicast, IP Multicast,and Application-Level multicast over Internet-like topologies.

摘要随着网络技术的不断发展，尤其是多媒体应用需求的增加，出现了一对多，多对多的组通信需求，针对互联网上的大规模一对多数据分发问题，有三种可选的通信模型，分别是纯单播， IP 组播，应用层组播。

Firstly, this paper analyzes and summarizes the research situation of resonant soft-switching technique and main topologies. And it indicates the main advantages and disadvantages. Then it pays more attention to analyze the parallel resonant DC link circuit theory and operating modes. It also analyzes how the resonant circuit realizes the resonant process. This paper also simplifies the control part design of the parallel resonant DC link soft-switching inverter by DSP.

本文首先对谐振软开关技术的研究现状和各种主要的拓扑结构进行了分析、综合、总结，指出了各自的优缺点；着重对并联谐振直流环电路的工作原理、电路工作模式、软开关实现机理及谐振参数的确定等进行了深入详尽的分析；利用DSP的灵活调节特点，有效地简化了并联谐振直流环软开关逆变系统的控制环节设计。

Then, the advantages and disadvantages of the two common topologies (series resonance and parallel resonance) are compared, and their switching processes are also analyzed.

详细比较了两种常用谐振电路拓扑的优缺点，着重分析了两种电路换流过程。

Similar tree topologies were recovered by both MP and ML trees generated based on unweighted analysis using PAUP*. The Eublepharidae and Gekkonidae were monophyletic.

构建的MP树和ML树有相同的拓扑结构，提示睑虎科和壁虎科都是单系的，刺尾虎亚科+具攀瓣的絮趾虎类与鳞脚虎类+无攀瓣的絮趾虎类为姐妹群关系。

In many applications, typically the bridge-type topologies, each power switching transistor should be used with an anti-paralleled Free-Wheeling-Diode .

在大量的应用场合，半导体功率开关器件需要和一个反并联的续流二极管一起配对使用。

In this paper, the principle of push-pull forward converter is analyzed in detail, three secondary-side rectifier topologies are studies contrastively and the advantages and disadvantages are compared.

本文详细分析了推挽正激变换器的工作原理，对比研究了该变换器的三种次级整流结构，比较了各自的优缺点。

In the category Quant,it is proved that quotient object of any object of Quant can be induced by nuclei in the sence of isomorphism, we dicuss the relationships between closed maps and closed filters which is closely related with Gabriel topologies of quantales.

给出了在不同类型的Quantale中c-核映射的刻划以及c-核映射和，r-核映射的等价性。在范畴Quant中，证明了任一对象的商对象在同构的意义下可由核映射诱导。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。