轨道的

In this paper, we had developed a set of new procedures for constructing a set of orbitals with thoroughly separated π and σ orbitals, highly localized, symmetrical, orthonormalized and have correct electron occupancies to the rigid molecules with C〓 symmetry.

在本文中，我们为具有C〓对称性的刚性桥分子建立高度定域的、正交归一的、对称的键轨道基组提供了全新的方法，并且每个轨道具有正确的电子占据数。

The method also can be combined with J_2 invariant conditions and be described by osculating orbit elements.Finally,the results indicate that the formation drifts are greatly reduced with the optimized initial mean anomaly.And the drift of formations set up in osculating elements is decreased by(81.8681) percent,compared with that in mean elements,which proves the feasibility of this optimization design.

仿真算例表明：优化设计结果可以明显降低大椭圆轨道编队卫星的相对漂移量，与平根数描述的编队初始条件的设计结果相比，相对距离极大值点的漂移量降低约81.8681%，验证了基于主星平近点角初值的大椭圆轨道编队优化设计方法的可行性。

The changes of track traffic planning objects caused by the concept of sustainable development are analyzed based retracing the background and progress of sustainable development and discussing the relationship between track traffic and sustainable development.

1回顾了可持续发展提出的背景及研究进展，论述了交通可持续发展的原则和内涵，并论述了轨道交通与可持续发展的关系。在此基础上，分析了可持续发展的概念导致轨道交通规划目标的转变。

The network communication is applied in vehicle detect system which is one of the most important parts in orbit traffic. The working information of the vehicles can be detected and transmitted to the vehicle control system on the floor through the vehicle detect system. The realization of network communication is introduced into the vehicle detect system, and the mechanism of network communication is transplanted to the embed system based on Reworks.

主要介绍了轨道交通车况检测系统中网络通信技术的应用，车况检测系统是轨道交通系统的重要组成部分，通过车况检测系统可以实时采集列车的车辆工况监控信息并将它及时传输给地面的车辆工况监控系统，本文阐述了在车况检测系统中网络通信的实现方法，并给出了基于Reworks嵌入式系统下的网络通信机制。

In the past 30 years or so, STEDI is the general and major design of Shanghai Metro Line 1 and Metro Line 2, and the participant of Shanghai Rail Transit Line 3 project for station design and design supervision, Guangzhou Metro project and Nanjing Metro project. Other tunnels designed by STEDI include Da Pu Lu Cross River Tunnel, Yan An Dong Lu Cross River Tunnel, many water supply/drainage tunnel s for power plants and other sorts of tunnel.

三十多年来，承担或完成了上海地区所有的越江隧道、包括公路、人行、进排水隧道、电缆等各类隧道的勘察设计、研究工作以及宁波、南京等地的隧道工程，还承担或完成了上海地区近十条轨道交通线的总体设计以及主要设计工作，同时参加了深圳、南京、武汉等城市的轨道交通项目。

Bridge laying on both sides along the elevated track on the vertical run, lifting trolley along the bridge in laying the track on the horizontal run, a rectangular scope of work, you can make full use of space below the bridge lifting material from Ground equipment hindered.

桥架沿铺设在两侧高架上的轨道纵向运行，起重小车沿铺设在桥架上的轨道横向运行，构成矩形的工作范围，就可以充分利用桥架下面的空间吊运物料，不受地面设备的阻碍。

Bridge crane installed in the bridge along the track on both sides of the elevated vertical run,Lifting trolley along the bridge on the laying of the track in the horizontal run, which constitute the scope of work of a rectangle, you can take full advantage of the space bridge was being lifted the following materials, the hindered from ground equipment.

桥式起重机的桥架沿铺设在两侧高架上的轨道纵向运行，起重小车沿铺设在桥架上的轨道横向运行，构成一矩形的工作范围，就可以充分利用桥架下面的空间吊运物料，不受地面设备的阻碍。

The effects of different center metal ions on third-order NLO properties are discussed. And the conclusion is drawn that the charge transfers from macrocycle π-orbital to metal d orbital make the substantial contributions to microscopic hyperpolarizability.

论文的第三章选择系列酞菁化合物作为研究对象，讨论了不同的中心金属离子对三阶非线性光学性质的影响，确认酞菁共轭环平面上的π轨道到金属离子的d轨道电子跃迁对三阶非线性光学极化率起主要贡献。

Because of its special features, whether to build the circle line or not often becomes the focus of attention and the point of controversy during the rail network planning and revision process.

针对目前国内某些城市在轨道交通线网规划及修编过程中关于是否需要设置环线这一颇具争议的问题，在广泛、翔实的数据分析和国内外相关城市案例剖析的基础上，就城市轨道交通环线的规划和应用进行了全面系统的讨论，包括环线的类型、功能、设置条件、长度与规模、设置形式等。

The horizontal force and vibration in this paper produced by several reasons are concluded as follows: wheel partial to one side; cargo eccentricity when trolley accelerated; the rough rail; steel wire with different phase angle, and so on.

本论文研究分析小车在小车轨道方向运行时产生大车方向上的激振力；偏斜行走引起的水平轮作用力、偏心加速时引起的水平力、轨道不平顺引起的水平力，制造误差及钢丝绳相位差产生的力等。

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。