查询词典 fiber bundle

Therefore, we utilize optical switch to switch over two routes P1 and P2 which are normal feeder fiber P1 and protecting fiber P2. Signal pass P1 and P2 and through 2X2 coupler, splitter, and 2X1 coupler into the drop fiber. Finally pass through WDM coupler and filter into ONU.

传输时利用光开关切换成两路路径P1和P2，分别为在正常下的P1馈线光纤和发生错误时切换成P2保护光纤，再经2X2耦合器、分歧器和2X1耦合器，进入终端光纤，最后经分波多工耦合器和滤波器后进入光网路单元。

Systematical researches were carried out on the cleavage strength of steel fiber concrete with 3 base strength grades,6 steel externalities and 4 fiber admixtures,and it is discovered that the cleavage strength of concrete increases as the base strength grade rises,and dumbbell-like,shield-like and hook-like steel fibers have good reinforcement effect while flat steel fiber has less reinforcement effect.

通过对3个基体强度等级、6种纤维外形、4种纤维掺量的钢纤维混凝土的劈拉性能进行系统研究，发现混凝土的劈拉强度均随基体强度等级增加而增大；哑铃、盾铃、端勾形钢纤维的增强效果较好，而平直形钢纤维的增强效果较小。

And the effects of foundation displacement excitation,temperature,amplitude and asexternal damping on the nonlinear vibration of elliptic paraboloid cable net with the comparison between steel cable and carbon fiber cable were discussed.At last the conclusions are obtained that the temperature have great influence on steel cable and bat not on carbon fiber cable,and the vibration characteristics of cable net using carbon fiber cables is superior to cable net using steel.

在把碳纤维索网与钢丝索网比较的基础上，讨论分析了位移激励、温度、振幅、外阻尼等因素对椭圆平面双曲抛物面碳纤维索网非线性振动的影响，得到了碳纤维索网对温度变化不敏感，而钢丝索网受温度的影响却很大，且碳纤维索网振动特性优于钢丝索网振动特性的结论。

As the emission spectrum of Erbium ions covers 1550nm, which is the low loss window in fiber optic communication, the study on EDFA and fiber laser is crucial for the development of technology of fiber optical communication.

由于铒离子的发射谱覆盖了1550nm的光纤通信低损耗窗口，因此对掺铒光纤放大器及激光器的研究将对光纤通信技术的发展起着举足轻重的作用。

The introduction and analysis of Chinese contemporary fiber art, is one part of basic study in fiber art theory as well as a kind of effort, which is made to open up the research eyeshot for the whole strategy --developing the fiber art in China.

对中国当代的纤维艺术状况介绍和分析既是纤维艺术基础理论研究的一部分，也是为在中国进一步发展纤维艺术的整体战略而拓宽研究视野的一种努力。

The characteristic of telecom network resource data is generous and has tight relationship with the map, fiber network as a example, all kinds of its resource(for example, equipment rooms, pipes, fiber, fiber connecting boxes) contains all space vector information that tokens space position and topology relation, and attribute information that records idiographic content and entitative characteristic.

电信网络资源数据的特点是量大而且与地图的关系十分密切，以光纤网络为例，它的各类资源(如机房、管道、光缆、光交接箱)都包含表征空间位置及拓扑关系的空间矢量信息，以及记录具体内容及本质特征的属性信息。

Increasing the surface of plant fiber and the ratio of activated sludge to plant fiber can improve the degradation degree of plant fiber.

增加降解物的表面积和提高活性污泥与降解物的比值，有利于降解物的降解。

The system carried out common map's edit and operation function,fiber network's space and attribute data management function, can also carry on to the related data comprehensive analysis processing,It is helpful for the programming design and maintenance of fiber network. It can also improve the management efficiency of optical fiber network to raise the movement efficiency of network, promise a whole net the correspondence is unimpeded, exaltation customers satisfaction.

系统实现了常用地图编辑和操作处理功能、光纤网络的空间及属性数据管理的基本功能外，还能够对相关数据进行综合分析处理，为网络规划设计和维护管理提供辅助决策支持，从而对光纤网络进行全面的、有效的管理，提高网络的运行效率，保证全网通信畅通，提高客户满意度。

In this paper, the strengthen mechanism of fiber chop was firstly analyzed based on stress transfer theory, fiber space theory and composite mechanism of fiber reinforced polymer concrete was studied, an then the mechanical properties of the polymer concrete was studied, which was mixed with Durafiber.

本文首先应用应力传递理论、纤维间距理论和复合材料机理对短纤维增强树脂混凝土的增强机理进行了初步分析；然后，在呋喃树脂混凝土中加入杜拉纤维，对其力学性能进行了研究。

At last the structure tolerance of the expand core fiber is studied. And then the optical coupling efficiency imposed by the position of Gaussian beam on the grating is discussed by comparing the Gaussian beam output from expand core fiber, single mode fiber and free space Gaussian beam with waist radius of 16 microns.

最后分析了扩束光纤的结构容差，并讨论了所设计扩束光纤的输出光束、单模光纤的输出光束以及束腰半径为16 μm的自由空间高斯光束各自在光栅表面的位置变化对光栅耦合效率的影响。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。