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area function相关的网络例句

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The area is small to the highest ( conversion efficiency 13 - 15%, some have achieved more than 20%) of monocrystalline silicon solar energy cell conversion efficiency, and output power is big, and stability is good, grows ( generally can reach more than 20 years ) service life, but the raw and processed material cost height, the weak light specific property is wronger, and production technology is complicated, hence the selling price is also higher; The polycrystalline silicon solar energy cell is basic identical with the function characteristic of monocrystalline silicon solar energy cell; The conversion efficiency of non- brilliant silicon solar cell than hangs down ( simples about 6 - 8%), the area is than greatly, but because of his raw and processed material cost than hanging down, can be easy to big area industrialize production, what will have hope to be used the generally big area to generate electricity from now on most will be this kind of application that battery is along with manufacture technique and new material, in a single day the practical package photoelectricity conversion efficiency of its big area achieves more than the 10-15%, and the price of every tile electric power-generating equipment is fallen 1 - 2 U.S.dollar of time, and just is enough to that the solar energy cell efficiency that big area the getting extensive use will constantly replace in now convention certainly special use and the laboratory of sources of energy s will high get many.

单晶硅太阳能电池转换效率最高(转换效率13~15%,有的已达到20%以上),面积小,输出功率大,稳定性好,使用寿命长(一般可达20年以上),但原材料成本较高,弱光特性较差,生产工艺复杂,故售价也较高;多晶硅太阳能电池与单晶硅太阳能电池的性能特点基本相同;非晶硅太阳能电池的转换效率较低(约6~8%左右),面积较大,但因其原材料成本较低,可便于大面积工业化生产,今后最有希望用于一般大面积发电的将是这种电池。随着制造技术和新材料的应用,一旦它的大面积实用组件光电转换效率达到10-15%以上,每瓦发电设备的价格降到1~2美元时,便足以大面积得到广泛应用并将不断取代现在常规能源。当然特殊用途和实验室中的太阳能电池效率要高得多。

As to multi-layer reservoirs,each layer can be divided into three areas:area of gravel-packing,area of perforation and area of radial flow.Each area has its own governing equaiton and the solution is expressed by Green function.The well bore pressure and layer-rate is given through Green function in Laplace space.The pressure drop and skin factor isobtained also in each area.

根据多层砾石充填完井的渗流特点,将每个产层在径向上分成3个区域,即砾石充填区、射孔区、地层径向流区,每个区域有各自的渗流方程,对n层油藏有3n个渗流方程,将每个区域的方程用Green函数来表示,由各层的Green函数得到井筒混合压力、分层压力及分层产量在Laplace空间上的解,最后得到每层各区域的压力损失、表皮系数以及井底压力和分层产量与时间的变化关系。

At the beginning of this thesis, the author gives the definition and the equivalent definition of convex function, and then proves the equivalent relationship between them. Secondly the author proposes the decision theorem of convex function which provides a judgment basis of whether a function is a convex function. Thirdly the author summarizes and proves the convex function's operational, basic, differential and integral property. Finally the author proves several famous convex function inequalities, such as Jensen inequality, Holder inequality, Cauchy inequality. The author also provides the application of these inequalities and illustrates the importance of convex function's basic inequality and integral property in the proving process.

本文开始给出了凸函数的定义及等价定义,并证明了它们之间的等价关系;接着提出了凸函数的判定定理,对一个函数是否是凸函数提供判断依据;然后对凸函数的运算性质、基本性质、微分性质、积分性质四个方面的性质进行了总结,并给予了证明;最后证明了凸函数的几个著名不等式詹森不等式、赫尔德不等式、柯西不等式,给出了这几个不等式的一些应用实例,并举例说明凸函数的基本性质和积分性质在不等式证明过程中的重要作用。

At the beginning of this thesis, the author gives the definition and the equivalent definition of convex function, and then proves the equivalent relationship between them. Secondly the author proposes the decision theorem of convex function which provides a judgment basis of whether a function is a convex function. Thirdly the author summarizes and proves the convex function's operational ,basic , differential and integral property. Finally the author proves several famous convex function inequalities, such as Jensen inequality, Holder inequality, Cauchy inequality and Minkowski inequality. The author also provides the application of these inequalities and illustrates the importance of convex function's basic inequality and integral property in the proving process.

本文开始给出了凸函数的定义及等价定义,并证明了它们之间的等价关系;接着提出了凸函数的判定定理,对一个函数是否是凸函数提供判断依据;然后对凸函数的运算性质、基本性质、微分性质、积分性质四个方面的性质进行了总结,并给予了证明;最后证明了凸函数的几个著名不等式詹森不等式、赫尔德不等式、柯西不等式和闵可夫斯基不等式以及这几个不等式的应用,并举例说明凸函数的基本性质和积分性质在不等式证明过程中的重要作用。

The linear function applicable scope is broad, when the reservoir turnover water volume and the time, the student leaves the staircase mouth population and the time and the time and the motion communication speech spends the comparison and so on the relational question has the important application;The study linear function, may deepen in the life the linear question understanding and the understanding, is helpful in solves some simple function problem; The linear function some problem solving method has the universality in mathematics, the linear function related theory may use for to solve some other mathematics problem, For instance the dual linear equation group, a Yuan inequality, a Yuan quadratic equation most value question and some complex mathematics question, the light is studies the linear function the theory is insufficient, the key is can utilize actual the linear function goes is our final goal.

一次函数的适用范围广,在蓄水池的进出水量与时间、学生出楼梯口人数与时间与时间和移动通讯的话费比较等的关系问题时均有重要的应用;学习一次函数,可以加深生活中线性问题的认识与理解,有助于解决一些简单的函数问题;一次函数的一些解题方法在数学中具有普遍性,一次函数的有关理论可以用来解决一些其它的数学问题,比如二元一次方程组、一元一次不等式、一元二次方程的最值问题及一些复杂的数学问题,光是学习一次函数的理论是不够的,关键是能把一次函数运用到实际中去才是我们最终的目的。

Chapter one is "Introduction". On the basis of summarizing the history of the study of the pictophonetic characters, we suppose some theoretical principle, such as the principle of the correspondence between the form and the meaning of the individual graph of Chinese characters, the principle of the total graphs of Chinese characters being a character-formation system, and the principle of the optimum development of the character -formation system in the history, and som analytic methods, such as the methods of structrue-function analysis, form-position analysis and meaning factor analysis, in the study of the pictophonetic characters. Chapter two is titled"General knwledge of the pictophonetic character." We discuss their origins, nature and some standards of distingnishing them, introduce the knowledge about the editions of SHUO WEN JIE ZI, analyse the functions of the modules of pictophonetic characters in detail, discuss concretely the function of phonetic graphs showing origins and pronunciations, the function of meaning graphs showing meanings and analogies, and the function of distinguishment when the two kinds of graphs are conbined. Chapter three is"The system of meaning graphs of Xiao Zhuan system."After we describe the structure of the meaning graph system, the relations between meaning graphs, the distributions of the function of meaning graphs showing meanings, and the frequency of all this kind of graphs, we get a table of all meaning graphs, a table of the frequency. Chapter four is"The system of phonetic graphs of Xiao Zhuan system."We describe the structure of the phonetic graph system, the relations between phonetic graphs, and between their function showing origins and their function showing pronunciations, and their frequency, then we get ageneral table of phonetic graphs and table of their frequency. Chapter five is "conclusion". We think that systematical methodology is useful in describing and analysing the formation system of Chinese characters. The methodology is adaptable in describing the formation system of modern Chinese characters as well as the historical character systems, adaptable in describing horizontally as well as comparing vertically. Only when we finish the systematical vertical compare on the base of systematical horizontal decription, could we know the true history of the system of Chinese characters, recover the rule of the system's development, and supply the theoretical supports for the scientifical arrangement of modern Chinese characters.

第一部分—绪论,在总结形声字研究历史状况的基础上,提出了研究形声系统的理论原则和分析方法,即汉字个体字符形义统一的思想,汉字字符集合构形系统的思想,汉字构形系统历史演变系统优化的思想等三项理论原则和结构功能分析法,形位分析法,义素分析法等三种分析方法,还扼要地介绍了具体的工作程序和论文的主要内容;第二部分—形声字概述,论述了形声字的来源、性质和鉴别标准,介绍了对《说文解字》正篆形声字说解中的传抄讹误,版本异文,说解错误校勘和考证的经过,详细分析了形声字构件的功能,具体讨论了声符的示源功能与示音功能,义符的示意功能与类化功能以及声符与义符组合中的相互区别功能;第三部分—小篆字系的义符系统,从义符系统的构成、义符间的相互关系,义符示意功能的分布及义符的构字频度等不同侧面,对义符系统进行了全面的描写,产生了义符总表、义符间意义关系总表和义符构字频度总表;第四部分—小篆字系形声字的声符系统,从声符系统的构成、声符间的相互关系,声符的示源功能与示音功能的关系以及声符的构字频度等不同侧面,对声符系统进行了全面描写,产生了声符总表和声符构字频度总表;第五部分—结束语,在全面测查小篆字系形声字的基础上,对研究汉字的方法和现代汉字发展方向的问题提出了一些看法,认为系统论的方法是描写和分析汉字构形系统行之有效的方法,系统论方法,不仅适用于历史上文字系统的描写,也适用于现代汉字构形系统的描写,不仅适用了断代描写,也适用于历史比较,只有在对汉字断代系统描写的基础上进行系统的历史比较,才能认清汉字系统历史演变的真相,揭示汉字系统发展的客观规律,为科学地整理现代汉字提供理论上的依据。

On the basis of extending the concepts of the derived function, primitive function and integration of interval-valued function to complex interval-valued function and using the descomposition theorem of complex fuzzy set, the derived function, primitive function and integration of complex fuzzy set-valued function and some properties of them are proved.

2在国际上最先引入了复模糊集合与复模糊数的基本概念,证明了它们的基本代数运算的封闭性,并且其运算可通过α水平复集合的相应运算来进行

The total of these two sorts of functions is called S-functions The indicial function, sinusoidal function, cosinusoidal function, hyperbolic sinusoidal function, hyperbolic cosinusoidal function, trigonometric function of n-order and hyperbolic function of n-order etch are all belong to S-functions.

指数函数、正弦函数、余弦函数、双曲正弦、双曲余弦、n阶三角函数和n阶双曲函数等。都是S-函数的特殊形式。文中证明了关于S-函数及其各阶导数的性质的三个定理。

By using The Tourist Area Life Cycle, this paper analyses the tourist area of Yunnan and settles issues as following: It described the development track of some representative tourist area; it forecast the tourist area future by protracting graph and analyzing their developing phases; at the same time, I also analyzed the influence mechanism of these representative areas. Because these analyses are combined with evolvement character of tourist area, the conclusion in this paper will give a constructive guidance use to the tourist area development.

本文的研究主要是对理论的尝试、验证和实践应用,本文通过将旅游地生命周期理论付著于云南的具体旅游地进行分析,运用该理论所解决的问题包括:对一些典型旅游地的发展轨迹进行了描述;通过绘制曲线图和发展阶段分析,对旅游地未来的发展进行了预测;同时,本文还主要对于这些典型旅游地进行了影响机制的分析,由于这些分析同旅游地发展演变特征相结合,因此,所产生的结论对于旅游地未来的发展起到了建设性的指导作用。

In order to reduce the error of a remote sensing area sentencing in two-stage survey of investigations, this article used the Bo'ai County state-owned tree farm partial remote sensing TM satellite picture and the correlation data establishes the visual solution to symbolize that, according to the solution which established translates the symbol to the place thing to carry on the remote sensing to interpret,cancelled in the room draws each place kind of boundary, extracted on the chart with the polyester membrane the area, may calculate according to the proportion interprets the area ,figured out interprets the area, simultaneously in order to enhance interprets the precision to obtain a more real reliable material, investigated 90 bottom classes in kindergarten's area from the location, and interpreted to these 90 bottom classes in kindergarten on the chart obtains the corresponding area,simultaneously established the linear model.

为了减少二类调查中遥感地类面积判读误差,本文利用博爱县国有林场部分遥感TM卫星图片和相关资料建立了目视解标志,根据所建立的解译标志对地物进行遥感判读,在室内勾绘出各地类边界,用聚酯膜求出图上面积,根据比例计算出判读面积,同时为了提高判读精度得出更加真实可靠的资料,从现地中调查了90个小班的面积,并对这90个小班在图上判读得出相应的面积,同时建立线性模型。

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推荐网络例句

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。

I didn't tell him anything except that I needed the money.

我什么都没告诉他,只是说我需要钱。