信息系统结构 aris; hisa; isa information system architecture
"查查词典"手机版
千万人都在用的超大词汇词典翻译APP
例句与用法
Experimental sample dct375 with collector - combed structure has better parameter such as icm , pq , pd and / r etc . than traditional - structure devices and overseas devices of the same kind . collector - combed structure technology opens up a new way for the further research of new high - frequency , microwave power devices 研制出的梳状集电结(基区)结构试验管dct375 ,其最大电流容量、最大输出功率、最大耗散功率以及频率特性等电参数明显比传统结构器件和国外同类产品有大的提高。
Calculation methods of reliability index corresponding to time of bridge structural member under a single destroy mode is given . based on the conventional reliability theory , component is treated as a system , multi - destroy - mode would appear in identical section is taken into account ; calculation method of evaluation index that is used for member and the whole system is put forward 根据动态可靠性理论,给出已有桥梁结构构件在单一破坏模式下任意时点的可靠度计算方法,并在传统结构可靠性理论的基础上,将构件作为结构体系,考虑其某一截面可能出现的多种破坏模式,提出构件评定指标的计算方法,进而给出桥梁结构体系综合评定指标的计算方法。
After completing the static and dynamic experiments on the5 electro - hydraulic component & system test unit , the author made further experiment research in the close loop system of hydraulic elevator , and get satisfying testing results . to sum up , the author build a set of theories and formulary for the design of integrated valve , change the traditional methods for the structure design of hydraulic elevator valves by the tools of pro / e , carry out a lot tests of the integrated valve on the special test platform 纵观全文,作者对针对液压电梯专用集成阀建立了一套比较完整的设计计算的理论依据;采用三维造型软件对集成阀进行实体建模,改变了液压电梯专用集成阀的传统结构设计方法,使集成阀的结构设计达到了更好的效果;利用专门的电液元件测试平台和液压电梯台架对集成阀进行了比较全面的实验,拓展了新元件的实验研究手段。
Compared with green light - emitting device , blue oled has many problems such as brightness , efficiency , stability , and color saturation , in this study we investgaited the blue oleds systemically : 1 ) double heterosturcture oled was charaterized . due to the introducing of electron transport layer alq3 and hole - blocking layer balq3 , the energy matching was more reasonable and the carrier injecting was more effective in the double - layer device . the maximum efficiency and luminance of this device attained to 1 . 90 lm / w and 10 , 000 cd / m2 , respectively 其次,由于一直以来蓝光oled器件的研究处于相对落后的状态,其发光亮度、效率、稳定性和色纯度都无法绿光器件相比,所以本论文在以下几个方面对蓝光器件的性能进行了系统的研究: 1 )研究了双异质型蓝光oled器件,由于本研究引入了空穴阻挡层,使得载流子的复合和激子的扩散被限定在发光层内,器件的发光效率达到了1 . 90lm / w ,最大亮度达到了10000cd / m2 ,比传统结构器件的效率和亮度提高了约一个数量级; 2 )制备了结构为ito / npb / balq3 / alq3 / mg : ag的oled器件,研究发现,当改变各有机层厚度时,器件的电致发光光谱发生了从绿光到蓝光的移动。
And the results of calculation and numerical simulation indicate , without increasing the intrinsic collector - junction area of power devices , collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter , improve heat - dissipating method of each cell of the chip , enhance the distribution uniformity of junction temperature and current of each cell of the chip , reduce the thermal resistance and raise the dissipation power pd and output power p0 , fairly well relax the contradiction among frequency , out - put power and dissipation power of the devices , and further improve the devices " property against second breakdown 而计算分析和二维数值模拟分析结果表明:梳状集电结(基区)结构在不增加器件本征集电结面积的条件下,增大了器件的本征散热面积和基区周长,改进了每个子器件单元内的散热方式,提高了单元内结温和电流分布的均匀性,降低了器件的热阻,增大了器件的耗散功率和输出功率,较好地缓解了目前传统结构中频率与功率、功耗的矛盾,并有利于改善器件抗二次击穿的性能。
On the base of researching lots of information , the author particularly analyzes and compares the technique and economic index of steel residence and traditional structural system - rc structure to reflects the steel residence ' s good overall economic benefit by concrete datum from the material cost , effective service area and the construction ' s speed etc . discuss the optimum structural system of different scale of earthquake . the theory and example illustrate that when high steel residence has great horizontal load , the frame - prop structure is optimum 在大量资料研究的基础上,作者进行了一个六层住宅建筑实例的技术性与经济性分析比较,该建筑分别采用钢结构和传统结构体系? ?钢筋混凝土框架结构,通过具体数字,从结构主材造价、有效使用面积、施工速度等几方面反映钢结构住宅建筑的综合经济效益好,讨论了不同地震烈度下两种结构的优化体系,理论、结构分析算例和此实例分析都说明了有较大水平荷载时,多、高层住宅钢结构宜采用钢框架? ?支撑结构体系。
Typical examples show that the results of quasi - homocentric structure are better than traditional structure , the results of finite element are better than that of approximate analytical methods , monolayer stiffened results are better than two - double longitudinals stiffened optimum results 典型实例表明,准同心圆式结构优化设计方案优于传统结构设计方案,基于有限元优化设计方案优于基于解析法的优化设计方案,液舱壳板单层加纵骨结构优化设计方案优于双层加纵骨结构优化设计方案。
Rural economic structure has gradually transformed from the traditional agriculture - oriented structure to a diversified structure with comprehensive development of the primary , secondary and tertiary industries . similarly , rural household production and operation also have diversified in structure . these changes will inevitably influence farmers " behavior in technological demands 改革开放二十五年来我国农村经济发生了深刻的变化,农村产业结构由以农为主的传统结构逐步发展为一、二、三产业全面发展的多元结构,农户生产经营结构也出现多元化格局,这一系列的变化必然会影响到农民的技术需求行为。
It gives a concrete introduction to the marketing strategies , price strategies , distributional strategies and the 4p mix strategies , in this way it provides a typical case to the making of the managerial and marketing otrategies of the medium and small enterprices . the enterprices themselves are non - structural , their marketing strategies are different from those of the traditional enterpries 具体介绍了该公司制定的市场营销产品策略、价格策略、渠道策略和4p组合策略,为中小企业营销管理和市场营销策略的制定提供了一个比较典型的案例。企业本身处于一个非结构化行业(即发育不很成熟、产品概念不清晰、产业界线也不固定、产业内竞争规则没有确立)其市场营销战略不同于传统结构化产业。
In order to change the defect of traditional system with structured method , the paper analyzes students ' apartments management system with object - oriented method , establishes object layer , characteristic layer and relational layer of basic model and topic layer of supplement model , and also gives the mode of explaining that system in detail 摘要为改变传统结构化方法建立系统存在的缺陷,采用面向对象的方法对学生公寓管理系统进行了分析,建立了学生公寓管理系统基本模型的对象层、特征层和关系层,补充模型的主题层,并给出了系统的详细说明方式。