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The essential problem of KBOOA are acquirement and organization of knowledge about the application domain. First of all, we recognize objects according to their outside characteristics and build stable concepts structures. In this way, the attributes and behaviors of any objects are treated as objects as well. The concepts are organized in hierarchies, the concepts' semantics are demostrated in the form of conceptual graphs. As hierarchy structure has inheritance, the system has ability to recognize and reuse concepts, analyze and reason the acquired information according to the existing knowledge, understand the problem space and present the system's functions and characteristics to the analysts and users in the form of scenarios. The main means of transforming informal requirements to formal ones is to recognize objects according to their outside characteristics, recognize attributes according to their functional dependence and describe the semantics of objects, behavior and attribute's relationship's because there is a automatic map from the descriptions of attributes and behaviors to class structures. It is difficult to transfer from OOA to OOD, We disscussed the modularity of Object-Oriented programs according to the principles of software engineering and presented the methods to decrease couplings and increase cohesions, i.

KBOOA以知识的获取、组织为中心问题,首先依据对象的外特性识别对象,并将属性和行为也作为对象处理,从而建立起较稳定的概念结构;KBOOA以层次的方法组织概念,以概念图的形式描述概念的语义,利用层次结构的继承特性,使系统具有识别、重用概念的能力,根据已有知识对系统所获信息进行分析、推理,产生对问题空间的理解,并以想定的形式分析师、用户展示系统功能、性能,从而构成了一个交互式的,具有一定智能的需求分析环境;依据外特性识别对象,依据函数依赖关系识别属性,用概念图描述对象、行为及属性关联,是将需求由非形式化形式形式化形式转换的主要手段,使属性及行为描述可类型结构自动映射,为提高需求分析的自动化程度提供了依据。

The results show that space finite analysis results are close to test ones, bottom chords suffer axial force and large in-plane bending, and the max stress is nearby each middle internode. The max stress of node crossbeams occurs in No.2 bottom flange, and that of internode crossbeams happens in ones lying in the middle of every internode. The concrete slab is in tension at the longitudinal direction, and also suffers bent at vertical loads. The degree of completely-composite model taking part in the combined actions is about 55%, while that of semi-composite model is 42%-43%. The combination of concrete slab and bottom chord increases the degree of floor system taking part in the combined actions, lightens the burden of bottom chord, and reduces out-of-plane bending of node crossbeams especially the ones near bridgehead. Stress and displacement of main truss can be evaluated by a equivalent plane rigid frame in preliminary design, and effective stiffness of bottom chords are composed of original ones and concrete slab, and the concentrated load from deck can be translated into uniform load.

研究结果表明:空间有限元分析结果与试验结果较吻合;下弦杆受到轴拉力和较大的面内弯矩作用,各节间最大应力出现在节间中点附近;节点横梁最大应力发生在横梁2的下翼缘,节间横梁最大应力发生在位于端节间中部的小横梁上;混凝土板顺桥整体受拉,并在竖集中荷载作用下产生弯曲变形;全结合模型大部分节间内的桥面板参与主桁共同作用的程度为55%左右,半结合模型桥面板的参与程度为42%~43%;桥面板与下弦杆结合能够增加桥面板的参与程度,减轻下弦杆荷载,减少节点横梁尤其是靠近桥头横梁的面外弯曲;对桥梁进行初步设计时,主桁杆件的位移与内力可按照1个等效的平面刚架计算,下弦杆的等效刚度由原下弦杆截面和混凝土桥面板截面组合而成,桥面荷载可转化为均布荷载施加。

The results showed that the rate of mating disruption was 71.1%-80.7% caused by 150-750 rubber pheromone dispersers per hm 2. The egg numbers were reduced by 79.4%-86.1%, 72.9%-84.7%, 58.3%-65.1% and 58 9% at the treatments of 750, 300-375, 120-150 and 30 rubber dispersers per hm 2, respectively. In large scale disruption demonstrations, numbers of egg masses decreased 82.4% and 73.2% at placements of 60 dispersers per hm 2 in mid season rice seeding paddy and in early season transplanting paddy, respectively.

结果表明,田间放置诱芯150~750个/hm2的迷率为71.1%~80.7%;每公顷放置诱芯750、300~375、120~150个和 30个的迷区卵量比对照区分别下降79.4%~86.1%、72.9%~84.7%、58.3%~65.1%和58.9%;每公顷放置60个诱芯的大面积迷示范区中稻秧田和早稻大田卵块量分别比对照下降 82.4%和73.2%,早稻大田枯鞘丛率比对照下降70.4%。

At such a 2005 New Year's Day moment, Chinese dragon in representative in my 谨 an all friends for moving the association of 漫 numerous frogman, the member of 灌 water, drinkings member, moving to dragon hall the association of 漫 all member, having to whole world concerning dragon hall supporting dragon hall developping, face to have to struggle at each the fellow citizens of 族 that move the 漫 business forefront, with the result that with the congratulation of the New Year's Day!

值此2005年新年之际,我谨代表中国龙堂动漫社团众多潜水员、灌水员、饮水员,龙堂动漫社团所有成员、全世界所有关心龙堂支持龙堂发展的所有友人、所有奋斗在动漫事业第一线的各族同胞们,致以新年的祝贺!

Therefore, the paper discusses how to resolve it. First, we should change the idea of education and promote the teachers" change from inculcating knowledge to facilitating the development of students. Second, we should improve the teachers" professional development and advance the teachers" change from pure curriculum executants to researcher and constructors. Third, we should emphasize the function of curriculum evaluation to develop education and promote the teachers" change from ultimate and only judge to stimulators of students natural development.

在此基础上,论文最后提出了促进初中语文教师对新课程教师角色适应的建议:转变教育观念,促进教师由知识灌输者学生发展的促进者转变;提高专业化水平,促进教师由课程单纯的执行者研究者和建构者转变;重视课程评价的教育发展功能,促进教师由终结性和唯一性裁判者引导学生自主发展的激励者转变。

The tire cord fabric layer is provided with an edge wound around the core of the bead, and the wound part is provide with a base part and a radial outer part, wherein, the base part extends towards to the axial outer side from the inner side of the core of the bead along the core of the bead; and the radial outer part extends towards to inner side axially on the radial outer side of the core of the bead.

胎体帘布层具有绕胎圈芯缠绕的边缘,使得缠绕部分具有基部和径外部,基部沿着胎圈芯从胎圈芯的轴内侧延伸至其轴外侧,并且径外部在胎圈芯的径外侧上轴朝内延伸。

I reject the company's extensive product processing bamboo and a single model of development in the bamboo processing and utilization, market-oriented, from rough to the deep-processing, finishing change from the use of a single change to the comprehensive development, from low value-added Product changes to the comprehensive development and utilization, and gradually improve product quality.

我公司摒弃了竹产品加工的粗放与单一的发展模式,在竹子加工利用上,以市场为导,由粗加工深加工、精加工转变,由单一的利用综合开发利用转变,由低附加值产品综合开发利用转变,逐步提高产品档次。

In the fourth of the article, writer will discuss the change orientation of modern traditional political culture and its research contents concentrates primary in the below aspects: one is that we should purge society configuration patriarchal clan system and boost up people's democratic consciousness; the second is that authority idea change into nomocracy thinking; the third one is that effect a radical cure of worship power and cultivate the consciousness of people's right; the fourth one is that finishing the change from subject consciousness to civic consciousness; the last one is that carrying on the change from attachable consciousness to paddle ones own canoe.

在本文的第四部分,笔者通过对社会转型时期传统政治文化的变化趋的考察,归结为以下五个方面:一是肃清家长制作风,增强人们的民主意识;二是人治思想法治思想转变;三是根治权力崇拜意识,培养人们权利本位的观念;四是从子民意识公民意识转变;五是从依附意识独立自主意识转变。

In this paper, preliminary FDS fire chamber to simulate the flue gas generated through the corridor adjacent to the room near the migration laws, an analysis of indoor air flow field and the movement of smoke layer, and through the simulation of fire scenes, in a simple form of visual dynamic display of the entire process of fire, in the simulation process to obtain more accurate fire-related parameters such as temperature distribution, gas flow and heat radiation, and analysis of simulation results through the fire chamber of the flue gas migration characteristics, results showed that the chamber in the absence of fire smoke control measures, the process of the spread of smoke filled the first chamber is at the top, with the passage of time, the proliferation of slowly downward until the entire chamber is full, and then through the corridor smoke quickly spread to the nearby chamber.

本文运用FDS初步模拟了腔室火灾产生的烟气通过毗邻的走廊附近房间迁移的规律,分析了室内空气流场和烟气层运动状况,并通过对火灾场景的模拟,以简单直观的形式动态显示出火灾发生的全过程,在模拟过程中获得较准确的火灾相关参数,如温度场分布,烟气流动及热辐射等,并通过模拟结果分析腔室火灾的烟气迁移特性,结果表明着火腔室在无防排烟措施的情况下,烟气扩散的过程是首先充满腔室顶部,随着时间的推移,慢慢下扩散,直至将整个腔室充满,然后烟气通过走廊快速附近腔室蔓延。

When applying side roller shutter to the fire compartment ,problems will occur because the roller shutter has lower smoke proof ability,low liability on shutting and single close way.

介绍了侧卷帘的结构及工作原理,阐述了侧卷帘用于防火分区时存在的关闭时间长、阻烟能力差、关闭可靠性低、关闭方式单一等问题,提出了侧卷帘作为防火卷帘用于防火分区将降低建筑物的防火安全性。

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推荐网络例句

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。

However, to get a true quote, you will need to provide detailed personal and financial information.

然而,要让一个真正的引用,你需要提供详细的个人和财务信息。