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Basically, they remained adjacent to the bus, on the access road.

总的来说,他们在大巴士附近的进出道路上。

When the Macedonian king Alexander the Great conquered the Achaemenid empire, he discovered a Carian settlement in the neighborhood of modern Baghdad.

当马其顿国王亚历山大大帝征服了阿契美尼德帝国,他发现了一个Carian解决在附近的现代巴格达。

If you're unsure whether you've identified Capella, you can always look nearby for a small acute triangle of stars.

如果你不能确定你是否已经辨认出了五车二,你可以找找附近的一个小锐角三角形。

For a monotone twist map the well-known Birkhoff fixed point theoremsays that the circles with rational rotation number will break up whence a finitenumber of pairs of periodic points arise,half of which are elliptic and the othershyperbolic.Moreover,around each elliptic periodic point a few of new invariantcurves will appear and make a picture of phase space with a self-similar structure.Again one may ask is there a similar picture for higher dimensional Hamiltoniansystems?

对于单调扭转映射,著名的Birkhoff不动点定理指出,在通有情况下旋转数为有理数的不变曲线一般会破裂,在原来的不变曲线附近会产生有限多对周期点,其中一半是双曲的,一半是椭圆的,而在椭圆型周期点的周围又会产生一圈圈的不变曲线,使得椭圆周期点附近的动力学行为和整个相空间的动力学行为十分相象,换句话说,整个相空间具有无限嵌套的自相似结构,自然又产生了一个问题:对于自由度数目大于2的高维哈密顿系统,其相空间是否有类似的图象?

First chapter is the summary, mainly introduced the project basic survey; Second chapter for the dam site hydrology characteristic, introduced the Hubei -01 key project in the basin specially is nearby the dam site hydrometeorology survey; Third chapter for the key position and the storehouse district terrain geology condition, introduced explained the dam site specially is nearby the dam spool thread terrain geology condition; Fourth chapter for the key position building shaping and the hydrology computation, including determined key position the project rank, the building shaping, adjusts Hong to calculate, blows off the bottom hole cross section size drawing up with initially to draw up the key position scheme of arrangement; Fifth chapter draws up for the size with the dam body arrangement, including the shaping, the Liang section plane determination, the dam body dam base guards against infiltrates the draining water facility the arrangement and the dam body plane arrangement and the stress stable analysis computation; Sixth chapter for the flood discharge design, mainly is the top of dam detailing and the downriver disappears can design; Seventh chapter for blows off the building the design, mainly is to imports the building the detailing strobe arrangement and Kong Shen and the exportation disappears can the design; Eighth chapter pilots the system and the power plant workshop design for the power plant, mainly is directs the system and the power plant workshop design to the power plant; Ninth chapter is ground processing, including ground excavating, the cleaning up, solidifies the grouting, the curtain is in the milk and all that some processing measure.

第一章为综述,主要介绍了工程的基本概况;第二章为坝址水文特性,介绍了鄂-01枢纽工程所在流域特别是坝址附近的水文气象概况;第三章为枢纽及库区地形地质条件,介绍说明了坝址特别是坝轴线附近的地形地质条件;第四章为枢纽建筑物的选型及水文计算,包括确定枢纽的工程等级,建筑物选型,调洪演算,放空底孔断面尺寸的拟定和初步拟定枢纽布置方案;第五章为拱坝尺寸拟定和坝体布置,包括拱坝的选型、拱冠梁剖面的确定、坝体坝基防渗排水设施的布置及坝体的平面布置和应力稳定分析计算;第六章为泄洪的设计,主要是坝顶的细部设计和下游消能设计;第七章为放空建筑物的设计,主要是对进口建筑物的细部设计闸门布置及孔身和出口消能的设计;第八章为电站引水系统及电站厂房设计,主要是对电站引系统和电站厂房的设计;第九章为地基处理,包括地基的开挖,清理,固结灌浆,帷幕灌浆以及其他一些处理措施。

Multiple wavelengths characteristics of dayside aurora activities were investigated with these keograms and in reference to all-sky images. It was found that there are three repeatedly appearing aurora activity regions along the dayside aurora oval. They are, Region A around 0900MLT in which aurora moves poleward while its intensity decreasing, and its form changingfrom arc to corona with time; Region B around 1330MLT in which aurora moves equatorward while its intensity increasing, and its form changing from corona to arc in time; Region C around 1330MLT in which aurora expands poleward while its intensity decreasing, and its forma evolving from arc to multiple arcs in time. There is a narrow belt of aurora activity in North-South direction between Regions A and B, which is dominated by weak and red corona aurora.

初步分析发现,沿日侧极光卵不论磁静日还是磁扰日,在三个波段上都同时观测到了四个重复出现的极光活动区,即0900MLT附近的A区、1330MLT的B区和1630MLT的C区以及1200MLT附近的G区。A区内的极光活动由低纬向高纬运动,强度逐渐变弱,形态由较宽的弧状极光向冕状极光演变;B区内的极光活动由高纬向低纬方向运动,形态呈现为冕状极光向较窄的极光弧的演变,极光强度逐渐增强;C区极光活动向高纬方向展宽,强度逐渐变弱,极光由单弧向多重弧演化;而在A与B之间存在一个纬度范围相对较窄的极光活动区G区,该区的极光呈现暗弱的冕状极光。

In this topic, the dynamic analysis methods for piezoelectric vibrator are studied systematically based on the theoretical model, FEM numerical experimentation and FEM governing equation for given compound-mode vibrator, and some valuable conclusions are obtained. The main work accomplished is summarized as follows: 1.Elaborate the main modeling methods for piezoelectric vibrator and the significance and necessity to study the dynamic characteristics of piezoelectric vibrator which emphasize the urgency of this paper. 2.Take the bending deformation induced by piezoelectric ceramic as example, the energy transfer mechanism of electric energy to mechanical energy are analyzed; the motion and force transfer mechanism are analyzed for the longitudinal-bending vibrator. 3.Based on mode assumption and Hamilton principle, the coupling model of piezoelectric vibrator of linear USM is built; moreover, the equivalent circuit model is obtained and a coupling equation represents the relation between electric parameters and mechanical parameters is derived which provides foundation to match the vibrator and driving circuit. 4.Combine the constitutive equation of piezoelectric ceramic with elastic-dynamical equation, geometric equation in force field and the Maxwell equation in electric field and the corresponding boundary condition equation, the FEM control equation for piezoelectric vibrator of USM to solve dynamic electro-mechanical coupling field is established by employing the principle of virtual displacement. The equation lays the foundation to study the non-linear constitutive equation of piezoelectric ceramic driven by high-power. 5.Define the dynamic indexes of characteristic of vibrator and carry out variable parameters simulation by calculating the model parameters and the electric characteristics of vibrator are simulated according to the equivalent circuit model. By numerical experimentation, the working mode of vibration of vibrator and the shock excitation results of the working frequency band which provides the mode frequency to realize bimodal are analyzed. Detailed calculation of the electro-mechanical coupling field parameters is made by programming the FEM control equation.

本课题从理论模型、有限元数值试验、有限元控制模型等方面以复合振动模式振子为例对超声电机压电振子的动力学特性及其分析方法进行了全面系统地研究,得出了许多有价值的结论,主要概括如下: 1、阐述了目前针对超声电机压电振子的主要建模方法,对压电振子动态特性的研究意义和必要性进行了论述,突出了本文研究内容的迫切性; 2、以压电陶瓷诱发弹性体发生弯曲变形为例,分析了压电陶瓷通过诱发应变来实现机电能量转换的机理;对基于纵弯模式的压电振子的运动及动力传递机理进行了分析; 3、基于模态假定,利用分析动力学的Hamilton原理,建立了面向直线超声电机压电振子的机电耦合动力学模型,并据此建立了压电振子的等效电路模型,导出了电参量与动力学特性参量的耦合方程,为压电振子与驱动电路的匹配提供了依据; 4、从压电陶瓷的本构方程出发,综合力场的弹性动力学方程、几何方程、电场的麦克斯韦方程以及相应的边界条件方程,采用虚位移原理,建立了压电振子动态问题机电耦合场求解的有限元控制方程,为研究其大功率驱动下的非线性本构模型奠定了基础; 5、界定压电振子的动力学特性指标,对压电振子的机电耦合动力学模型参数进行计算及变参数仿真;依据等效电路模型,对压电振子的电学特性进行了仿真分析;通过有限元数值实验,对压电振子工作模态附近的模态振型及工作频率附近的频段进行了激振效果分析,找出了实现模态简并的激振频率;利用有限元控制方程,通过编程计算,对压电振子的力电耦合场参数进行了详细计算,得出了一些有价值的结论。

The influence of recessing in adh es ive layer with high elastic modulus on the peak stress of joint is not evident so that it would improve the actual strength of joint markedly based on the load bearing ability not being affected evidenly . On the other hand , the recessing in the joint with low elastic modulus adh es ive caus es the peak stress es increase evidently that may decrease the nominal and actual strength of the joint markedly .

对胶层和被粘物中应力分布的数值分析结果表明:胶层中的间隙对接头端部的应力分布无明显影响,但对间隙附近的应力峰值影响较大;随着胶粘剂弹性模量的增大,间隙附近的应力峰值有所降低;对于高弹性模量胶粘剂接头,胶层中的间隙对接头的应力峰值无明显影响,在不降低接头名义强度的同时可使得接头的实际强度显著提高;而对于低弹性模量胶粘剂接头,间隙使得接头上的应力峰值明显上升,可能导致接头的名义强度和实际强度显著降低。

The energy seeping out from open windows, was enough to make the fireflies assemble in their many tens of thousands each dusk and describe elaborate arabesques in their pursuit of one another, the air so thick with their passion, and their light so insistent, that the house was festooned with their flight paths, which lingered long after the deed was done and the insects lay exhausted and extinguished in the long grass.

附近的房子都是已经被人废弃的,原来的主人都逃离了普利摩顿到更安全的城市,当然最好是更安全的国家。住在养猪场里也许很无聊,但至少可以有长命的机会。不过人们最近还是经常来到Diamanda街,仅仅是为了听到那些从开着灯的房子里面传来的情趣的声音。不对,不仅仅是为了听到,在那个地方附近已经有了一种暧昧,渗透到人们的心里。

The cutoff conditions of metal-clad waveguides or loss dielectric waveguides are discussed. The effects of metal-cladding on the cutoff condition of graded index waveguides are analyzed at first. The principle of cutoff intensity modulator has discussed in detail.

本文首次提出一种适合于分析含金属覆盖层的均匀和渐变介质波导在截止点附近的光学特性的近似的解析方法,并对金属覆盖层的均匀阶跃介质波导在截止点附近的模传播特性作了全面的分析,所得到的结果同精确的数值解结果相吻合。

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推荐网络例句

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?