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The radial velocity approach involves looking for a wobble in a star's motion caused by the slight gravitational pull of an orbiting planet.

径向速度法涉及寻找恒星运动中的摆动，摆动是由于绕其旋转的行星发出的轻微引力所致。

The deformation of the wheel was defined through finite element method, and according to analysis method for elastic tyre in terramechanics, the draw bar pull force of spring wheel on lunar soil was computed and compared with that of rigid wheel. The result shows that the spring wheel can improve the lunar rover mobility performance.

通过有限元分析得到了载荷作用下的车轮变形，借鉴车辆地面力学中对弹性轮胎的分析方法，计算了车轮在月球表层松软土壤上行走时的挂钩牵引力，并与同等尺寸的刚性车轮进行了对比，分析表明弹性车轮结构将提高月球探测车行走性能。

For the existence Be nearing to polar people to say, usually the sexual snow blizzard makes them have a very great difficulty on the transportation, so develop is been excellent by the physical strength, and resistant to cold dog dog to pull sledge, become their main vehicle, and this kind of physical strength good,run of quick,like to train,and the resistant to cold dog dog BE"Husky".

简介：哈士奇最引人注目的地方大概就是那张有点像野狼，又像化过妆的脸；一般来说哈哈的眼睛上方都会有两块白毛区，脸的正中央也会有一道白色线，所以有人就说哈士奇的脸是三把火。哈士奇在大型犬中算是轻量级的体重，但在他膨松漂亮的体毛下，却拥有强力的後肢肌肉与有力的背部，而且胸部发达，一看就像是运动健将。

For the existence Be nearing to polar people to say, usually the sexual snow blizzard makes them have a very great difficulty on the transportation, so develop is been excellent by the physical strength, and resistant to cold dog dog to pull sledge, become their main vehicle, and this kind of physical strength good,run of quick,like to train,and the resistant to cold dog dog BE"Husky".

用途变化：起初用途：拉雪橇；现在用途：伴侣犬、拉雪橇比赛产地血统：比起其他品种的雪橇犬，西伯利亚爱斯基摩犬体型较小，体重较轻，这种犬体型优美，灵活，体格健壮，耐力较强，同其他类型的北方丝毛型犬一起工作时，很少咬架，但它们喜欢像狼一样嚎叫。

And maybe it just has to do with the sheer size of the Baby Boom generation, a demographic force that exerts the same gravitational pull in politics that it exerts on everything else, from the market for Viagra to the number of cup holders automakers put in their cars.

而且这可能正好与生育高峰这一代人的人口数量有关，在人口中占不少比例的他们，在政治上发挥了举足轻重的影响力，同样也影响了其它所有事物--从&伟哥&的销售行情到汽车制造商安装在车内的茶杯架的数目。

And maybe it just has to do with the sheer size of the Baby Boom generation, a demographic force that exerts the same gravitational pull in politics that it exerts on everything else, from the market for Viagra to the number of cup holders automakers put in their cars.

这也许跟婴儿潮一代的纯粹姿态有关。统计学上的这股势力不仅仅登上了今天的主流政治舞台，而且已经从上一代接手了一切：从伟哥的消费到私家车里的杯托，无处不在。

The nope ties up the "sheep boy " was untied by the police,The boy longing for the freedom pull the gate of sheepfold desperately to exit

捆绑&羊孩儿&的那根绳索被警察解开后，渴望自由的他拼命拉扯羊圈的门想要出去。

An integrated unit of ball screw stripping,ball bearing tapered wedge and fixed-distance pull off was adopted in the design of injection mould for screw plug.

在螺塞注射模具设计中，采用了滚珠丝杠脱模装置和滚珠、斜楔拉模、定距联合装置，利用滚珠、螺母、丝杠及齿轮传动自动拧出螺纹塑件，实现塑件自动脱模；利用滚珠、斜楔、滑块机构拉开定模板和浇口板并控制其拉开距离，从而达到自动生产目的。

Single factor experiments were done with the factors including the width of protrusion and the trolley's velocity, which showed that the surface frictional coefficient decreases with the width of protrusion increasing, and doesn't change with the trolley's velocity changing, which was consistent with the results of the orthogonal experiment. A theoretical model of the horizontal projection of a corrugated bionic surface's contact area was built, which showed that the contact area's horizontal projection decreases with width and interval increasing respectively and that the ratio of the contact area's horizontal projection and the vertical load decreases with the vertical load increasing. It indicated that the surface frictional coefficient decreases with the above three factors increasing respectively. Finite element modeling and analysis of interactions of a plate and soils was done using ANSYS, which showed that the plate frictional coefficient is little relative to soil elastic modulus and decreases with vertical surface pressure and that trolley's pull and vertical displacement of bionic surface's control pilot keep constant almost during the plate being pulled. Finite element modeling and analysis of interactions of a corrugated bionic surface and soils was done using ANSYS, which showed that surface frictional coefficient is little relative to soil elastic modulus and decreases with bionic surface's structural parameters and vertical pressure increasing. However, the three factors all didn't affect the surface frictional coefficient remarkably on the condition of 90% dependability. For the first time, bionic surfaces were applied to screw piles, which formed bionic screw piles, and the contrast experiments showed the bionic screw pile had certain resistance-decreasing effects.

建立了波纹型仿生曲面与土壤的接触面积的水平投影的理论模型，表明接触面积的水平投影A随着波纹型仿生曲面突起宽度、两相邻突起间距的增大而减小，接触面积的水平投影与波纹型仿生曲面表面垂直载荷之比随着波纹型仿生曲面表面垂直载荷的增大而减小，进而得出仿生曲面摩擦系数随着波纹型仿生曲面突起宽度、两相邻突起间距以及表面垂直载荷的增大而减小；利用ANSYS软件对平板与土壤的相互作用进行了有限元建模与分析，表明平板摩擦系数与土壤弹性模量关系不大，而随着表面垂直载荷的增大而减小；平板牵引过程中台车牵引力和仿生曲面控制节点垂直方向位移基本保持不变；利用ANSYS软件对波纹型仿生曲面与土壤的相互作用进行了有限元建模与分析，表明波纹型仿生曲面系数在一定范围内基本不受土壤弹性模量的影响，随着波纹型仿生曲面突起宽度、两相邻突起间距以及表面垂直载荷的增大而减小，但在可信度为90％的前提下，三个因素影响都不显著；首次将波纹型仿生曲面应用于与土壤作用方式以挤压为主的螺旋桩，形成仿生螺旋桩，并与普通螺旋桩进行了沉桩对比试验，表明波纹型仿生曲面应用于螺旋桩桩体表面具有明显的降阻作用。

Tangshan 10 years for the metallurgical and mining machinery manufacturer, Tang steel production specifications sintering machine products supporting parts, there are all kinds of sintering machine's main drive transmission, flexible, transmission parts, the torque coupling, security coupling , Security devices, roller fabrics, elastic pull bar, flexible poles, torque-device, the second envelope worm gear box and vice, Touwei seal and various cold rolling mill equipment and accessories saw, roller Production of special equipment.

十多年来为唐山冶金矿山机械厂、唐钢生产各种规格烧结机产品配套部件，主要有各种烧结机的主驱动传动、柔性传动装置部件、定扭矩联轴器、安全联轴器、安全保护装置、辊式布料器、弹性拉压杆、弹性支杆、扭力杆装置、二次包络蜗轮副及箱体、头尾密封装置和各种轧机设备配件及冷锯、托辊生产专用设备。

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。