需求

ABSTRACT Requirements analysis is a process, in which a semiformal requirements definition is constructed from an informal requirements sta...

需求分析是指，由非形式需求陈述转化为半形式需求定义，以及由需求定义再转换到相应的形式功能规约的过程。

The article look back and analyse automobile industry history and actuality, depict 50 years development history of automobile industry, point out contribution and current questions of china automobile industry to national economic, using fact data analyse stanchion industry status of automobile industry in national economic in today.

根据中国汽车市场需求系统内部含有已知与未知信息、需求增长受多因素影响及近期汽车市场呈现爆发式增长趋势的特点，分别建立灰色系统、多元回归及三次指数平滑模型，并运用组合预测法对汽车市场的需求潜力做出预测，得到中国汽车市场存在巨大的需求潜力。

After the introduction of brand into economics, the elevation of brand credit changes the demand curve. On the one hand the elevation of brand credit will decrease the choice cost of consumers effectively if other conditions remain unchanging. Consumers' nature of hastening for benefits and avoiding harm makes the demand increase at any price. On the other hand the elevation of brand credit will reduce merchandise demand elasticity and steepen the demand curve.

把品牌引入经济学后，品牌信用度的提高使得需求曲线发生变化，一方面在其他条件不变的情况下，品牌信用度的提高将有效地降低消费者的选择成本，消费者"趋利避害"的本性使得在任意价格下需求量增加，需求曲线右移；另一方面品牌信用度的提高使得品牌商品的需求弹性变小，需求曲线变陡峭。

On the basis of state space model of system dynamics, the decomposition of periodic term and trend term in the time series of both power demand and Gross Domestic Product are carried out respectively, and it is discovered that there is a strong correlativity between the periodic term...

文章基于系统动力学的状态空间模型对电力需求与国内生产总值(GrossDomesticProduct，GDP)增长率时间序列分别进行周期项与趋势项的分解，发现电力需求与GDP分解的周期项之间存在很强的相关关系；基于此关系及电力需求增长率序列数据自身的变化规律，采用计量经济模型预测了2004~2008年我国电力需求增长率，以期为当前的电力规划工作提供参考数据。

This article analyses and designs the information platform basic framework and universal function model of the road traffic logistics enterprise.

针对公路交通物流企业的业务运营模式及信息平台建设现状，通过对其物流信息需求、功能需求的分析，以现代物流信息化建设为目标，确定了"统筹规划、分步建设"的原则和"统一资讯平台"的设计思路，对物流业务处於不断变动、信息需求功能需求尚不定型的公路交通物流企业信息平台基本框架与通用功能模型进行了分析与设计。

Modern the tour enters to pursue already characteristic of new period tour ages, tour the need appears the need principle to tend in mature, characteristic outstanding, systematize to the product demandingly and demanding continuously sex etc. new characteristic.

现代旅游业已进入了追求个性化的新时期旅游时代，旅游需求出现了需求理念趋于成熟、个性化突出、对产品需求的系统化和需求的持续性等新特征。

The integrative ability, organizing ability, communicative ability of trainings was deficiency. Fourthly, the power of social physical educators in Guangxi universities was so weak that it couldn't satisfy the need of specialty development. For example, the number of special teacher and the practicing ability of teachers are deficiency. The teachers that master special theoretic well and have practicing experience are deficiency especially. Fifthly, social physical practice base have not been building in Guangxi universities. And the necessary equipments of gymnasium are deficiency at the same time. Sixthly, the whole sports technology levels of new social physical students are low and hard to fit for social needing. Seventhly, the professional ideology of students is not stable enough. For example, the special concept and cognition of students are dim. The attitude for learning is not right. The most of students want to or have trend to change their profession after graduating. Eighthly, the ability of students fostered by social physical education in various Guangxi universities has a gap with the ability that students should hold for adapting the need of Guangxi employer. The special technical levels of social physical students are weak. Ninthly, in investigation of social physical personnel being demanded by Guangxi area employers, we found that few social physical personnels were demanded by business unit, the state-operated factory and mining enterprise because of being influenced by economical environment. And the more social physical personnels were demanded by social physical directors, fitness centers and each kind of sports association and so on.

这主要表现为：不够科学的课程体系，在实践性教学环节中的重视程度不够，对学生的综合能力、组织管理能力、社会交际能力的培养较为欠缺；4、对社会体育专业的发展需求这一点而言，广西各高校该专业的师资力量还略显薄弱，难以满足社会的需求，主要体现在：缺乏足够的专业教师数量、教师实践能力欠强，尤其缺乏既有较高理论素养又有实践经验的教师；5、社会体育专业的实习基地在广西各高校中都尚未建立起来，同时一些必备的体育场馆的设施也较为缺乏；6、由于入学时广西社会体育专业的学生在运动技术、技能整体水平相对较低，因此在一些专业方向的需求上难以达到满足；7、在专业思想这一方面而言，广西各高校社会体育专业的学生显得不够稳定，主要表现为：淡薄的学生专业观念，模糊的专业认识，不够端正的学习态度，甚至有相当一部分学生准备毕业后改行或有改行倾向；8、广西各高校社会体育专业培养学生目前所具备的能力与当前广西用人单位所需求的社会体育专业人才应具备的能力尚有一定差距，主要体现在：目前社会体育专业学生的专业技术水平较低，组织能力和社会交际能力较为欠缺等。9、在广西地区用人单位对社会体育专业人才需求量的调查中发现：大多数的企事业单位和国营厂矿企业因受到经济大环境的影响，基本上都不设置专职的体育管理人员，对社会体育专门人才的需求量较少，需求量较大的还是社区体育指导员、体育健身中心、各种体育协会等。

Requirements of highway on climatic regionalization could be divided into three levels of basic requirements, integrated requirements and macro requirements. Service principle and practicability principle were proposed for regionalizing.

发现公路对气候区划的需求可分为基本需求、综合需求和宏观需求3个层次，公路气候区划工作应当遵循服务性和实用性原则。

The burgeoning country such as China still is it is the main motive force that urges fundamental product to rise in price, china is extremely driving to raw material demand gap of supply and demand is huge, the whole world is expanding produce will balance demand, but supply rise to always be later than rise than demand, for instance Australia plans to produce iron ore can break up one time but demand of not certain still can contented China; For instance machinery of of all kinds mine offers goods insecurity, the mechanical past of excavate gold mine orders goods need 12 months only, 3 years of ability such as need acquire finished product now.

中国等新兴国家仍是是推动基础产品价格上涨的主要动力，中国对原材料需求极其强劲供求缺口巨大，全世界都在扩大产能来平衡需求，但供给的提高总是晚于比需求上升，比如澳大利亚拟将铁矿石产能翻一番但还不一定能满足中国需求；比如各类矿山机械供货紧张，采掘金矿的机械过去订货只需12个月，现在需要等三年才能获得成品。

The students' satisfaction at the korfball class could be predicted effectively by their class needs and satisfaction of teacher (relationship between teacher and student ; relaxation and achievement ; health and leisure ; teacher's attitude ; teaching ability;the need of social and ability ).

需求、放松与成就需求、教师沟通与互动、教师教学与管理、教师教学态度、教学进度与评量）能有效预测大学生合球课整体满意度，其中以「社会与技能需求」与「健康与休闲需求」之预测力最佳。

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％。