轮形的

The HAWK comes standard with all-wheel disc brakes, a water-cooled four0-stroke engine, a very aggressive dual double A-arm suspension, a 4-point seatbelt, bucket seat and an automatic transmission with reverse.

欧洲经济共同体核定示范街标准来与所有可用的鹰轮刹车碟，水冷four0冲程发动机极有侵略性双双臂叫停，4点安全带，桶形座椅自动传输倒车。

The coordinate system and the tooth trace function of the crown wheel is found by the analysis of the motion for the machine tool.

通过对机床各运动的分析构建坐标系和产形轮齿面方程。

All research provide essential theory basis of manufacturing profile modification cycloid gear.

为修形摆线轮的制造提供了理论基础。

In order to eliminate the affect in installation and make the gear equably bear the load, it is necessary to make profile modifying of gear.

为消除安装误差的影响，使轮齿受载均匀，需对齿面进行修形。

Solved effectively to shed off the phenomenon inside the outside layer.2 The super mute hangs the round, gliding the hour to almost has no sound, the voice is is small in 10 decibels.3 Make use of the high accuracy number controls the creation of process the equipments, guaranteeing to hang one side of the body four-wheeler, being subjected to the dint even, push to pull to have no damage 100,000 times.4Hanging patch nail is made of steel, L-shaped lateral positioning hanging piece; rapid and easy installation.

有效解决了内外层脱落现象。2 超静音吊轮，滑动时几乎没有响声，声音小于10分贝。3 运用高精度数控加工设备的制作，保证了吊体四轮一面，受力均匀，推拉10万次无损坏。4 挂片采用加硬冷轧钢材制作。 L 形侧向定位挂片，安装快捷，轻松。

Should check whether the wheel rim deformation; wheel has a horizontal deflection or radial swing; shock absorber has loose or worn; turned horizontal, the ball straight rod section, or has loose steering gear assembly; spring steel U - shaped bolt, the center clamping bolts loose or whether there is any damage; Caster is correct; tire pressure is correct

应检查车轮轮辋有否变形；车轮有否横向偏摆或径向摆动；减震器有否松动或磨损；转向横、直拉杆球节，或转向器装配有否松动；弹簧钢板的U形螺栓、中心夹紧螺栓是否有松动或损坏；后倾角是否正确；轮胎气压是否正确。

Should check whether the wheel rim deformation; wheel has a horizontal deflection or radial swing; shock absorber has loose or worn; turned horizontal the ball straight rod section or has loose steering gear assembly; spring steel U - shaped bolt the center clamping bolts loose or whether there is any damage; Caster is correct; tire pressure is correct

应检查车轮轮辋有否变形；车轮有否横向扁摆或径向摆动；减震器有否松动或磨损；转向横、直拉杆球节，或转向器装配有否松动；弹簧钢板的U形螺栓、中心夹紧螺栓是否有松动或败坏；后倾角是否正确；轮胎气压是否正确。

The cells in the centre of the trochophore showed very strong positive NSE and strong positive POD.

在担轮幼虫期，中央的内脏团原基呈NSE极强阳性或POD强阳性，其余细胞则呈NSE强阳性或POD阳性。D形面盘幼虫期，外套膜和内脏团呈NSE极强阳性或POD强阳性，其余部位则呈NSE强阳性或POD弱阳性。

A study in the journal Science suggests that for bdelloid rotifers, the answer is blowin' in the wind.

科学》上的一项研究表明对于蛭形轮虫来说，它们只需要在风中飘荡就可以了。

In this dissertation, first, based on theory of cutting tooth about the gleason spiral bevel gear, the equation of meshing in the process of cutting tooth, the surface equation of generating gear as well as the general tooth surface equation of the double circular arc spiral bevel gear, using GB12759-1991 type of double circular arc gear as a basic gear profile, a three-dimension solid model of double circular arc spiral bevel gear which has the good adaptability was carried out by used of Unigraphics software;Second, by researching of the algorithm about contact and collision as well as various contact types based upon Contacting Finite Element Method, a foundation was laid for selecting the contact type in analyzing contact stress of double circular arc spiral bevel gearing;Finally, through the connection port of PARASOLID between UG software and ANSYS/LS-DYNA software, the three-dimension solid model of double circular arc spiral bevel gearing obtained above in UG was imported into ANSYS/LS-DYNA, a finite element analyzing about contact stress of double circular arc spiral bevel gearing was carried out by applying new loading method.

本文首先基于格利森弧齿锥齿轮加工原理及切齿啮合过程中的啮合方程、产形轮齿面方程以及双圆弧弧齿锥齿轮的齿面方程，选用GB12759-1991型双圆弧齿轮基本齿廓为基准齿形，利用Unigraphics软件的建模功能，绘制了有较好适应性的双圆弧弧齿锥齿轮传动三维实体模型。其次，描述了应用有限单元法进行实体接触与碰撞问题算法的公式，研究了有限元分析中的各种接触类型以及双圆弧弧齿锥齿轮接触应力分析中所选择接触类型的依据。最后，通过UG软件和ANSYS/LS-DYNA之间的PARASOLID接口工具包，将UG软件中得到的啮合齿轮模型导入ANSYS/LS-DYNA有限元分析软件，给出一种新的加载方法，进行了双圆弧弧齿锥齿轮传动的接触应力的有限元分析。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐