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In order to reduce the engine′s vibration exciting force radically,research has been made on the balance axis frame and location′s influence on an engine.By theory of mechanism dynamic,analysis are made on the engine′s dynamic and balance effect of the balance axis it used.Further more,the theory of optimum design is used in designing a new balance method.

应用机构动力学分析理论，对某发动机进行了动力学分析，对其所采用的平衡轴进行了平衡效果分析；进一步应用优化设计理论，对平衡轴与其初始安装角度进行优化设计，并设计出改进后的平衡轴及初始安装角度。

In order to study the dynamic and instability rule and gain a damping evaluation method according to the test result, damping research ways of several foreign and domestic foil bearing types were compared. The interaction among cells was considered based on the approach of separating damping from stiffness. An effective damping evaluation method was developed based on the energy dissipation method. The structural damping of two-layer free plate foil bearing was analyzed on the basis of energy dissipation method.

为了更好地研究箔片轴承的动特性和稳定性，得出与实验结果相符合的评价方法，首先对国内外几种有关箔片轴承库仑阻尼的研究方法进行了比较，根据阻尼和刚度分离评估的思想，考虑箔片之间和箔片单元之间的相互作用，基于能量耗散的思想提出了一种有效的箔片轴承阻尼评估方法，最后对双层同向自由平箔结构箔片轴承的结构阻尼进行了详细分析和数值比较。

Last weeks, she just bought bed of a piece of real wood on the net, 3000 yuan want at least on the market, but order on the net spent 1800 yuan only, the businessman includes deliver goods not only, still presented cabinet of a the head of a bed.

上个星期，她刚刚在网上买了一张实木床，市场上至少要3000元，但网上订购只花了1800元，商家不仅包送货，还赠送了一个床头柜。

Qingdao Beer Museum in the heart of the region's most valuable when the number of the first hundred years of history and culture of the region, where, along the temporal and spatial context, tourists can fax detailed information on the mysterious origins of beer, a long history of Tsingtao, Tsingtao numerous honors, Qingdao International Beer Festival, an important figure both at home and abroad to visit the case of Tsingtao; production process is displayed in the old regional buildings, old equipment and the workshop on Environment and scene, in the production process on behalf of each release of the site placed there as the equipment, introduced in Tsingtao and historical evolution of the production process, in order to reproduce the history of the original museum in the old workshop saccharification fermentation tank of the old workers set up a model of production and labor sculpture, reproduction of old scenes and workers over the laboratory Malt scene.

青岛啤酒博物馆中最具价值的核心区域当数第一区域百年历史和文化，在这里，顺着时空的脉络，游客可以通过详尽的图文资料，了解啤酒的神秘起源、青啤的悠久历史、青啤数不胜数的荣誉、青岛国际啤酒节、国内外重要人物来青啤参观访问的情况；生产工艺流程区域展示的是老建筑物、老设备及车间环境与场景，在生产过程中的每一个代表性部位放置有放像设备，介绍青岛啤酒的生产流程及历史沿革，为重现历史原貌，博物馆在老糖化车间的老发酵池设置了工人生产劳动雕塑模型，复制出老实验室场景和工人翻麦芽场景。

The main content included in the paper is as follows: The European identification methods of type of wave load is introduced and compared with the methods in Code of Hydrology for Sea Harbour. In order to reveal their difference, they are tested by the experiment data. The relation between phase and frequency are analysed through the Hilbert and wavelet transformations. And a new method of identifying the breaking wave load is set up based on the linear relation between wave height and wave press before the breakwaters. The probability distribution is tested by the statistic of experiment data. Based on the experiment data, the paper analysed the influence of reflection coefficient according to different factors, and its property is got. The work property of charmfered breakwater under breaking waves is analysed. Through the statisticof its wave press and wave force the distribution of press on the breakwater front face and its reducing effect to breaking wave force are proved.

本文基于此，通过实验研究，主要作了如下工作：介绍了欧洲波态划分方法，分析与我国方法的异同，通过实验进行了验证；通过 Hilbert 变换和小波变换对波浪破碎的相频特性进行了分析，通过建立波高与波压关系来判别破碎波浪力；对破波条件下波浪力的分布进行了统计研究，验证了其分布类型；利用实测资料，分析了不同因素对反射系数的影响，得出了不同周期、波浪要素、破碎率下反射系数体现的不同规律；分析了破碎波作用下削角堤的工作特性，通过对堤面所受的波压力和总力的统计分析，验证了压强分布规律及削角堤对波浪力的削减作用。

In order to study on the most suitable harvest time of summer corn variety in the west of Henan, this experiment took Zhengdan 958, xundan 20 and Luoyu 4 as the materials, and studied on grain length, the length of milk line, bulk density,1000-grain weight and yield effect through choosing different harvest time, the result showed that timely harvest later had the obvious effect on production increase .

本试验以郑单958、浚单20和洛玉4号为材料，通过对不同收获期夏玉籽粒长、乳线长、含水量、容重、千粒重及其产量效应进行研究。结果表明：玉米适时晚收具有明显的增产效果。

With respect to this bit character, look on the applied level of Internet, perhaps can appear before long such picture: Although your friend and you are absent same a gregarious website, you also can share picture, each other to send mail; to be in same on screen, you can search the cafe around, read a magazine, with far it is OK to study in Indian work in the same placing you return; of form of a piece of electron together Wu of kimono of aleatoric network address is added on the screen that measuring a body to have something made to order for you.

就这点而言，在互联网的应用层面上看，也许不久就会出现这样的画面：即使你的朋友和你不在同一个社交网站，你们也可以分享图片、互发邮件；在同一个屏幕上，你可以搜索附近的咖啡馆、读杂志、与远在印度的同事一起研究一张电子表格；你还可以在为你量身定做的屏幕上添加任意网址和服务。杨致远走了，我们应该向他致敬。同时我们也看到，变化即将开始。

Technological tools,hotel guests used to rely on the concierge at their desionation to orient them to their new surroundings and connect them with tourist destinations,specialized shopping,gourmet restaurants,business services and serve a myriad other needs,twenty years ago.when i first started as a concierge in Washington., DC,concierges developed huge Rolodexes of contacts locally,nationally and internationally,in order to answer every request for help.we kept huge libraries of resources at our desks,telephone books,atlases,five inch thick guides to hotels around the world,a dictionary,and fight schedules for national and international travel,restaurant guides,an incredible amount of brochures on local attractions and so on.almost all of which are now replaced by computer access Back then,when a new challenge was made to a concierge, it could sometimes take hours of telephone calls to research an answer, as the chef concierge at the Park Hyatt Washington during the early 1990's,I remember getting a request from a VIP guest from the Middle East.

以前，宾客抵达目的地后，要靠礼宾员带路才能到达自己的下榻之地，并需要礼宾员指明旅游景点、专卖店、美食餐馆、商务服务以及其它各种需求。二十年前，当我第一次在华盛顿特区从事礼宾职业时，礼宾员需要收集大量本地、全国及国际联系人的名片，以便回答宾客提出的各种请求。我们的办公桌上堆满了各种参考资源，例如电话簿、地图册、五英寸厚的全球酒店指南、词典、全国和国际旅行的航班时刻表、餐馆指南，还有大量本地风景名胜的手册，等等。但现在，这些东西都已经被电脑取代。以前，如果礼宾员遇到新的问题，可能需要打几个小时的电话才能找到答案。20世纪90年代，我在华盛顿柏悦酒店担任礼宾领班，我记得有一个中东来的VIP贵宾向我提出了一个请求。

The analysis model of grouped-metadata may construct based on coupling information of variables and methods inside component. According to formal component couping testing criteria description, coupling relationship among methods inside component is decribed using component methods coupling graph. And DU table is further constructed, which includes definition and definition information of component method. Then observation mechanism based on observation–points is introduced in order to increase the observability of component. An implementation framework of testable component is constructed bansed on coupling information.

分层描述性元数据中的分析模型基于构件内变量和方法之间的耦合信息来构造，根据形式化的构件耦合测试准则描述，使用构件方法耦合图的概念描述构件中方法之间的耦合关系，进而构造包含构件内定义和使用信息的DU表，并引入旨在提高构件可观察性的基于观察点的监控机制，构造一个基于构件耦合信息的可测试构件的总体实现框架。

The following exciting results are revealed: 1 When considering the influence of some nonlinear elements such as hard-limit of exciters, the effects of some devices such as Power System Stabilizer and Static Var Compensator which can introduce positive damping in power system, the reasonability of system parameter values in simulation, the SNB surface and HB surface on the boundary of SSSR will turn close to each other and even coalesce together; 2 Under some conditions, coupling between slow exciters and shunt capacitors will bring negative damping in power system dynamics, which increases the possibility of oscillatory instability. So the power system with mass shunt compensators is easily subjected to the oscillatory instability. In recent years, chaotic phenomena of power system have been reported many times. Some simulation studies even found chaos existing inside the power system SSSR. In this dissertation, chaotic phenomena in power systems are thoroughly studied in order to make clear the relation of chaos and SSSR. The following results are derived: 1 Based on Li-Yorke Theorem and their definition on the chaos, the existence of chaos in power system is verified; 2 Three possible routes of causing chaos in power system are found and deeply investigated. They are route of cascading period doubling, route of directly initial energizing and route of torus bifurcation (or quasi-periodicity). The latter two routes are investigated for the first time in power system stability studies; 3 When the stability conditions of chaos are broken, it is found they can lead to voltage collapse, angle divergence, or voltage collapse with angle divergence simultaneously.

针对在电力系统小扰动稳定区域内可能存在混沌吸引域的有关报道，本文深入研究了电力系统混沌现象的出现途径和与系统失稳模式之间的关系：1利用Li-Yorke定理和Li-Yorke的混沌定义，从理论上证明了电力系统混沌现象的存在性；2发现了电力系统中导致混沌出现的三种可能途径：倍周期分岔导致混沌、初始能量直接激发混沌和经由环面分岔导致混沌，并对后两种新发现的途径进行了较为细致的研究；3发现了混沌极限环破裂导致电压崩溃、角度失稳以及电压崩溃和角度失稳同时出现的现象，其中混沌极限环破裂导致系统角度失稳和电压崩溃及角度失稳同时出现的现象均属首次报道；4证明由微分-代数方程描述的系统模型，其小扰动稳定域的边界只包含HB、SNB和SIB三种分岔界面，在SSSR的内部和边界上，均不可能存在会导致混沌的点，从而将混沌现象排除在小扰动稳定域的研究之外，简化了后者的研究工作。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。