查询词典 design requirement

Main contents include the path route design, Route design, Cross-sectional design, Longitudinal design, design with three vertical curve, Roadbed design, In subgrade pavement design, wet conditions in different structures of asphaltum highway surface, and the scheme design, reasonable economy, facilitating construction requirements and meet the design requirement, T calculation and allocate, Plant layout, Landscape design

主要内容包括道路选线设计；路线平面设计；横断面设计；纵断面设计，设计中有三个竖曲线；路基设计；路面设计，在路基在不同干湿状态下，对沥青路面的结构进行设计并对方案进行比选，要求经济合理，便于施工并满足各设计规范要求；土石方计算与调配；桥涵布设；景观设计

For policy of green environmental protection coming into operation, recent point is that EuP (Eco-Design Requirements for Energy Using Products) proclaimed by European Union on July, 2005 and bring into operation from May, 2008. Eco-design Requirement for Energy Using Product leads to raise efficiency of product energy in environment.

对於绿色环保政策的实施，目前的重点则是欧盟另一项於2005年7月公告的EuP(能源使用产品生态化设计指令)，并於2008年5月之后实施，是藉由规范能源使用产品的生态化设计要求，以提高产品的能源效率及环境绩效。

In addition, with the analysis of its design requirement, style and meaning, I attempt to discuss its design's the chara...

并通过对历年奥运吉祥物的设计要求、设计风格的分析，试论奥运吉祥物设计的时代特征和文化内涵，同时就如何汲取中国传统文化中的有效元素进行北京奥运吉祥物设计做出一些建议。

Through system design, program design and debug, so as to meet the design requirement and the actual needs of customers.

通过系统设计、程序设计和调试，使之达到设计要求和客户的实际需要。

In this article two functional modes of the Fly-back Converter (Continuous Conduct Mode and Discontinuous Conduct Mode) are particularly analyzed, which include their characteristics, applications, the critical pattern of two functional modes is argued, both the exact boundary from the angle of circuit parameters is crystallized, at the same time, basic principle of PFC under the DCM mode is introduced, which settle theoretical basis for the subsequent design; by establishing the mathematic model of the converter, a further investigation of the configuration is made, qualitatively and quantitatively, analyzed to settle exactly theoretical basis for the subsequent emulation and the experimental parameter; from the angle of steady-state analysis, the transfer function of the system is deduced to establish dynamic small-signal state equation, emulating the system with the help of matlab, then according to the simulation result and the theory of PFC revise the system, lastly, we adopt the project which add a zero-pole compensator to the voltage loop, by this way, a satisfied system performance is gained and the PFC scheme is ensured successfully; finally, based on the previously-done work, we combining with the situation of specific design requirement, acquired the numerical value of each unit devices in this converter

详细分析了反激式变换器的两种工作状态，连续模式(Continuous Conduct Mode ，简称CCM)和断续模式(Discontinuous Conduct Mode，简称DCM)以及各自的特点、应用场合，论证了两种工作状态的临界模式，从电路参数的角度明确了二者的界限，同时还介绍了DCM模式下PFC的基本原理，为后面的设计奠定理论基础；通过对整个变换器系统建立准确的数学模型，对此变换器的电路结构做了进一步的研究，定性、定量地分析了变换器各部分的工作状态，为仿真和实验参数的确定以及电路参数的优化提供理论依据；从稳态分析的角度，为系统建立了动态小信号状态方程并推导出系统的传递函数，利用matlab对系统进行仿真，进而根据仿真结果以及PFC的相关理论对系统进行校正，采用在电压环加入零点—极点补偿器的设计方案，得到了满意的系统特性并且保证了PFC的顺利实现；最后，在前面所做工作的基础上，结合设计要求计算出此变换器系统中每个元器件的数值，利用Pspice对其进行了仿真、优化，然后根据仿真结果搭建了硬件电路。

On the basis of the improved structure and under the premise of meeting specification requirement, the light steel door-truss structure is optimally designed by changing, cycle checking and gradually reducing the cross section size of overall structural member with the ANSYS parametric design language. The mechanical properties such as changes in stiffness, strength and stability of the optimized structure are completely analyzed under three load cases.

基于改进结构，在满足相关规范的前提下，利用ANSYS软件的参数化命令流语言（ANSYS parametric design language， APDL），通过改变结构杆件截面尺寸，对整体结构杆件的截面采用循环校核、递减尺寸，并对轻钢门式桁架结构进行优化设计，分析了优化结构在3种荷载工况组合条件下的整体刚度、强度及稳定性等力学性能的变化，给出了改进前后与优化前后结构的力学特性对比。

This article introduces the design requirement,the design calculation and the prototypical performance of a small electric car.

本文介绍的电动车，是一种小型、简易的电动车辆，它用电力驱动，具有可靠的行走、转向、制动、操纵等系统。

First, this thesis introduces basic theory of CBR , and studies many aspects of typical part design case , such as case representation, case retrieval, retain etc. Second, regards design code as case code in order to integrate the case with geometrical and non- geometrical information, and realizes the parametric modifying function for 3D solid model in the condition of Pro/E. Third, for the purpose of making true of system's aided design requirement, this thesis brings forward to create part design knowledge base with AI language CLIPS, and integrates the rule based KB into the system; finally, collects and summarizes the knowledge of shaft,gear,sleave, and a sample with ladder—shaft is shown in order to verify the correction of theory research.

首先，本文介绍CBR技术的基础理论，并重点研究典型零件案例的表示、检索、修改等功能；其次，以零件设计编号为案例编号实现对案例的几何与非几何信息的集成，并实现了三维实体模型在Pro／E环境下的参数化修改功能；再次，从系统辅助设计功能要求出发，提出将基于规则的知识库嵌入到系统内部，用人工智能语言CLIPS建立零件设计知识库；最后，对轴类、齿轮类、盘套类零件案例知识进行收集、总结，并通过阶梯轴设计实例验证了理论研究的正确性。

Standard of ornamental design acceptance of work: Ornamental design project is finishing dry hind, just can check and accept; Check and accept ornamental design project, whether does the breed that should check ornamental design, norms, design accord with design requirement; Ornamental design should be installed firm, its quality asks to reach tolerance, should accord with: The level of form ornamental design and perpendicular tolerance, every meters must not be more than 5 millimeter, must not be more than 3 millimeter endlong; The tolerance of position of alone ornamental design, must not be more than 10 millimeter; Ying Guangjie of ornamental design surface, design clarity, juncture rigor, must not interstitial, warp, edge damage drops the blemish such as horn; Back up spends exterior Ying Guangjie, design clarity, without break.

花饰工程验收标准：花饰工程完工并干燥后，方可验收；验收花饰工程，应检查花饰的品种、规格、图案是否符合设计要求；花饰应安装牢固，其质量要求及允许偏差，应符合：条形花饰的水平和垂直允许偏差，每米不得大于5毫米，全长不得大于3毫米；单独花饰位置的允许偏差，不得大于10毫米；花饰表面应光洁，图案清晰，接缝严密，不得有裂缝、翘曲、缺棱掉角等缺陷；裱花表面应光洁，图案清晰、无裂缝。

An optimal design of the elastic axis based on ANSYS is presented,to meet the design requirement of the tension sensor of the underwater diamond wire saw,The optimal dimension for the least volume of the elastic axis is obtained in the design.

针对水下金刚石绳锯机串珠绳张力传感器的设计需要，提出了基于ANSYS的张力传感器弹性轴的优化设计，建立了优化设计数学模型，分析了ANSYS的优化设计方法，完成了基于ANSYS的弹性轴优化设计过程，最终得到了满足弹性轴体积最小时的优化设计尺寸。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐