查询词典 unsymmetrical

a kind of design project of multifunction electric power quality gauged instrument based on virtual instrument is put forward in this article.this system integrates virtual instrument programming and power electronics together,to realize diverse signals of current electric power quality field allin one.the integrated signal generator unit which carries out the collection of high speed digital data,d/ a conversion and analog output in four channels,unsymmetrical synchro control fifo etc.by fpga are introduced,the flow of electric power system various signal which generates by vc programming is elaborated,and the structural design of signal amplification unit is analysed.the experiment text result shows that this gauged instrument has attained current advanced high grade of accuracy and it will accelerate the steps of electric power quality calibration because of its accuracy and versatility.

摘 要：提出一种基于虚拟仪器技术的多功能电能质量标定仪的设计方案，采用虚拟仪器编程技术和电力电子技术相结合实现集目前电能质量领域的多样信号于一体。介绍采用fpga实现高速数字量采集、d/a转换及4通道模拟量输出、非对称同步控制fifo等的集成信号发生单元，阐述利用vc编程实现的电力系统多样信号的产生流程，分析信号放大单元的结构设计。实验测试结果表明该标定仪达到目前先进的高精度等级，由于其准确性和多功能性将加快电能质量标定的步伐。

Based on the analysis of bibliographer and evaluation of the principles of different processes, the novel process for synthesis of the new type of polyheterocyclic disperse dyestuff , unsymmetrical benzodifuranones and its intermediates was studied in the dissertation.

论文在查阅国内外有关文献基础上，对不对称苯并二呋喃酮系新型稠杂环分散染料的分子设计、应用特性及研究进展作了概述，对此类稠杂环分散染料及其中间体的合成路线和方法作了综合评述。

It is possible to assume that processors bloomfield will possess single-crystal layout with the unsymmetrical distribution of functional units on the chip.

它可能是假定处理器菲尔德将拥有单晶布局对称分布的功能单位晶片。

The evolutionary game theory based on bounded rationality was used to set up an unsymmetrical replicator dynamics model for copetition relationship among the manufacturers on the cluster supply chains.

提出运用以有限理性为基础的演化博弈理论，建立和分析一个集群供应链的制造商之间竞合关系的非对称复制动态模型。

As the information in supply chain is unsymmetrical, the demand is progressively enlarged which results in bullwhip effect.

由于信息在供应链的各个企业中不对称，需求出现逐级的放大，产生"牛鞭效应"。

The dualistic organ to divide cities –the reasons of systems, that is, the census registering system to divide urban and rural areas; city-bias financial system; the inequality of political rights between urban and rural areas; the inequality of the distribution to social resources; the division of unsymmetrical markets between urban and rural areas; the system of burgage and the abuse to the system of peasant-labors.

城乡分割的二元结构—制度体制原因，即城乡分割的户籍制度；城市偏向的财政金融体制；城乡政治权利的不平等；城乡社会资源分配的不平等；不对称的城乡市场分割；土地产权制度和农民工体制的弊端等。

In this paper take an unsymmetrical catamaran as an object, used 3-D finite element method and empirical formula for the vibration characteristics of the hull.

本文以一艘不对称双体船为对象，分别采用三维有限元方法及经验公式法对其进行了船体总振动特性分析。

Hydroforming of aluminum tubular unsymmetrical parts without cone-shaped transition was carried out on by means of FE simulation and experiment.

采用数值模拟与工艺实验的方法，研究了双阶梯无过渡锥角管件的内高压成形过程。

The results show that the subsidence curve and horizontal movement curve are not continuous and smooth, but are unsymmetrical with some variation caused by geological conditions.

结果表明，沉陷和水平移动曲线不连续也不平滑，由于地质条件的影响，其变化是不对称的。

Fish-bellied cable truss of point supported glazing has been widely used for the characters of lightness and transparency. And commonly it is systematically supported, when additional support is added, the structure is turned from symmetrical support into unsymmetrical support, the mechanical performance will be changed greatly because of its weak ability to resist unsymmetrical deformation, and more discussion will be needed.

点支式玻璃幕墙鱼腹式索桁架结构由于其轻盈、通透的特点得到了广泛的应用，其一般都是对称支承布置，当结构由对称支承变为非对称支承时，由于其抵抗不对称变形的能力较弱，结构的力学性能会发生较大的改变，需要作进一步的探讨。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失