梯形的

In this way the satisfactory consistency level of judgment matrix can be recognized from the viewpoint of matrix distance.

从模糊层次分析法在卫星设计中的实际应用出发，基于模糊数学中关于梯形模糊的一些成果，提出了梯形模糊数框架下的层次分析法——梯形模糊AHP。

Combined with application actuality, the elemental principle and effectuation mode of PLC are analyzed in details in this thesis, and based on ISA technique of microcomputer or industrial control PC a design plan of intelligent embedded PLC system is presented as well.

本文结合可遍程序控制器的应用现状，分析了它的基本原理与实现方式，提出了一种基于通用微机ISA总线技术开发的智能化嵌入式可编程序控制器系统设计方案，并且详细说明了组成系统的硬件电路设计；同时针对梯形图编辑软件专用性太强的现况，顺应控制领域开发化的潮流，设计了梯形图集成开发环境，着重论述了梯形图程序的编辑、编译部分。

This dissertation aims to: improvement in regularity of ladderlike polysiloxane through strong H-bonding template and"half-water-hydrolysis"methods; synthesis of several functional polysilsequioxane with ethoxyl, hydro and aminopropyl groups respectively; and the preparation of nanoporous film with good mechanic properties from ladderlike functional polysilsesquioxane with intermolecular porogen via micro-phase separation process.

本论文旨在利用强氢键模板作用和"半水水解-脱氯化氢缩聚"的改进方法，提高反应性的梯形聚硅氧烷的规整度；合成乙氧基封端、含氢基和氨丙基的几种功能性梯形聚硅氧烷；以及探索利用含分子内成孔剂的梯形聚倍半硅氧烷通过微相分离制备低介电常数二氧化硅纳米微孔膜。

The research work of this paper is divided into five parts: The first ,according to the work characteristics of ship's auxiliary boiler, this paper is to design applied project in the automatic control system of ship's auxiliary boiler; The second, according to the work request of the cargo winch of alternating three-speed change-pole speed-adjusting, this paper is to determine adopting the method of the PLC control; The third, this paper is to design PLC application in three -phase induction motor control, to give the ladder chart, program and input and output circuit diagram; The fourth, this paper is to research the method of the ship's combined starting screen automatic control with the PLC; The fifth, this paper is to inquire the possibility of apply the PLC in ship's engine room surveillance system; According to the comprehensive analysis of above actual example of ship's auxiliary machinery automatic system with the technique of PLC; not only can use the technique of PLC to replace traditional relay-contactor control technique in ship's auxiliary machinery automatic system, but also can get the conclusion of the former is more dependable and more clever than the latter, the maintenance is more convenient, thus develop a new path for ship automation.

本文研究的工作主要包括五个部分：第一，根据船舶辅锅炉的工作特点，设计PLC在船舶辅锅炉自动控制系统中的应用方案，主要有PLC选型及输入输出点的设计，画出系统控制梯形图并分析工作原理；第二，根据交流三速变极调速起货机的工作要求，确定采用PLC控制的方法，进行控制系统的硬件设计和软件设计，并分析工作原理：第三，设计了PLC在三相异步电动机控制中的应用，给出了控制梯形图、程序及输入、输出接线图；第四，研究了用PLC实现船舶组合起动屏自动控制的方法，进行了系统的电源设计和软件设计，给出系统工作流程图；第五，探讨了船舶机舱监视系统应用PLC的可行性，将继电器报警线路改为用PLC控制报警，给出系统硬件图和软件梯形图，并分析了PLC机的选型、抗干扰和应用PLC的经济效益和社会效益等问题。综合以上船舶辅助机械自动控制系统采用PLC技术的实例分析，可以得出船舶辅助机械自动控制系统不但可以使用PLC技术取代传统的继电器接触器控制技术，而且前者比后者更可靠、更小巧，维护保养更方便的结论，从而为船舶自动化开辟了一条新的路径。无忧毕业设计网 www.5ubs.cn

Then according to the different ways of mesogenic units connecting to the ladderlike main-chain, the ladderlike polysiloxane liquid crystals are classified into fishbonelike and canoelike polysiloxane liquid crystals.

介绍了梯形聚硅氧烷液晶的结构特点，根据液晶基元接枝到梯形高分子主链上的方式，将梯形聚硅氧烷液晶分为鱼骨形和划艇形两种。

The initial three chapters of this dissertation aim to improve the regularity of ladderlike polysiloxane through strong H-bonding template and slowly dropping half water for hydrolysis and condensation.

本论文前三章旨在利用强氢键模板作用和半水量水解同步缩合脱氯化氢的改进方法首次合成了(1)高规整性、可溶的反应性含对苯二胺有机桥基的聚氢基硅氧烷高分子，29Si-NMR 图中显示梯形主链上硅原子-Si(HO2/2峰的基线宽度△1.0 ppm，这是至今文献报道的所有梯形聚硅氧烷规整性最好的数据；采用分段去撑法成功的合成了纯无机梯形聚氢基硅氧(来源：1bABC论文网www.abclunwen.com)烷。

The book block on the back of the book of trapeziform is not possible gap test, in this connection, we have adopted the head and trapeziform nongraphite, head trapeziform size is set to 3 mm x 4 mm, established a maoba this inspector checks during the production process, head and hand-made trapeziform and the opinins page when the page is used for further enquiries and page, essentially put an end to the wrong post.

而对书芯书背上的梯形不可能进行间隙性的检查，对此，我们采取了天头加梯形标示的办法，天头梯形尺寸设定为3mmx 4mm，设立一个毛本检查员，在生产过程中检查天头梯形，并且在手工加页时采用取页查加页的方式，基本上可以杜绝错帖的情况。

The book block on the back of the book of trapeziform is not possible gap test, in this connection, we have adopted the head and trapeziform nongraphite, head trapeziform size is set to 3 mm-wide × 4 mm, established a maoba this inspector checks during the production process, head and hand-made trapeziform and the opinins page when the page is used for further enquiries and page, essentially put an end to the wrong post.

而对书芯书背上的梯形不可能进行间隙性的检查，对此，我们采取了天头加梯形标示的办法，天头梯形尺寸设定为3mm×4mm，设立一个毛本检查员，在生产过程中检查天头梯形，并且在手工加页时采用取页查加页的方式，基本上可以杜绝错帖的情况。

The general 2-D FDFD equations in the Cartesian coordinate system and difference equations for the trapezoidal bevel edge of the waveguide are presented. Transmission characteristics of single and double trapezoidal-ridge waveguides are then analyzed using these equations.

采用直角坐标系中2-D FDFD的一般分析公式和波导梯形斜边上的差分公式，对梯形单脊矩形波导和梯形双脊矩形波导的传播特性进行了分析。

A robust mathematical design model based on the response surface method was established for steering trapezoid mechanism. In the model, movement precision during steering course was chosen as the objective function; kingpins distance, axles distance, trapezoid mechanism's bottom angle and steering arm length were defined as the design variables; minimum transmission angle and maximum angle error were considered as the restraint condition.

对于转向梯形机构，以转向过程的运动精度为目标函数，以主销中心距、轴距、转向梯形底角和转向梯形臂长度四个参数作为设计变量，以最小传动角及最大角度误差作为约束，建立了基于响应面方法的稳健设计数学模型。

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。