双轴

Took the different diameters double-row bearing slewing ring asexample, this dissertation studied the distribution of axial press ofthe rolling body under axial load and throw moment, the contact pressbetween two outer seat-rings which are connected to the main machinewith high strength screw bolts.

本文以双排异径球式回转支承为例，对球式回转支承在承受轴向载荷和倾翻力矩时的滚动体轴向正压力大小、分布及由高强度螺栓与主机连接的滚圈接触面的接触力进行了详细的理论推导和实际计算，说明在双排球式回转支承的结构静力分析过程中，可以将滚圈安装接触面的接触力简化为铅垂方向的均布载荷。

As the maneuverability of the model of 800 t ship with double tail fins didn′t meet the design standard,this article turned the twin skeg of the models into tail-shaft strut,and then made tur-ning tests and Z shape tests.

针对某一采用双尾鳍形式的800 t级排水船在进行自航模试验时出现操纵性能不能满足设计要求的情形，文中将其尾部的双尾鳍改成轴支架，并在某露天操纵性水池中，对改进后的自航模进行了回转和Z形操纵试验，通过对实验结果进行比较发现合理设计轴支架的大小和安装位置能够较好地改善800 t级排水船的操纵性能，并能够满足给定的船舶操纵性能设计要求。

The principle of twin symmetry roll axle-mill was introduced.A new process was proposed which was for twin symmetry roll axial rolling passive spiral bevel gears.The deformation process by the new technology was analyzed by rigid plastic FEM software.Rolling force was calculated in theory.

介绍了对称双辊轴向轧机原理，提出了对称双辊轴向轧制成形螺旋锥齿轮新工艺，利用刚塑性有限元模拟软件对新工艺变形过程进行了仿真分析，对成形工艺力进行了理论计算。

The key point of the structure of the utility model is that: the other side of the reducer that is arranged on the platform is provided with a hoisting device; the roller shaft end of the electronic controlled windlass is provided with a hub, a damper brake is arranged outside the hub; the input castellated shaft of the reducer that is arranged on the electronic windlass is provided with duplicate gears that have different amount of teeth.

本实用新型包括标准节，两侧标准节的中间为平台，电控卷扬机的卷绳通过平台上的滑轮同吊盘相连；平台上的减速器的一侧设置有可提升平台的具有卷绳的滚筒，平台上设置有具有滑轮的支架，其结构要点平台上的减速器的另一侧设置有提升装置；电控卷扬机的滚筒轴端设置有轮毂，轮毂外设置有制动闸；电控卷扬机的减速器的输入花键轴上设置具有不同齿数的双连齿轮，双连齿轮之间的凹槽内的拨杆同减速器外的摇把相连。

A method is also provided for reducing axial space within a dual-input clutch transmission having a torque converter, including providing an on-axis transmission pump with a housing and rotor set, providing a torque converter with a rotatable hub which is drivingly connected to the rotor set for powering of the transmission pump, and mounting the dual-input clutch to the pump housing for support.

还提供一种方法以减少带变矩器的双输入离合器变速器的轴向空间，包括提供带有壳体和转子组的同轴变速器泵，提供带有可旋转毂的变矩器，所述可旋转毂以驱动的方式连接到转子组以为变速器泵提供动力，并且将双输入离合器安装到泵壳体上以支撑。

Diopter, corneal curvature, depth of anterior chamber and the axial length of the eyes were measured. We calculated the concordance of hyperopia, intrapair correlation coefficient and heritability index of monozygous and dizygous twins.

调查了同卵和异卵双生子的屈光度、角膜曲率半径、前房深度、眼轴长度，计算了远视的一致率，同卵和异卵双生子的组内相关系数及遗传指数等项目，证实远视眼是一种多因子遗传病，它的发生除了与多个遗传性状如角膜曲率半径、前房深度、眼轴长度等有关外，还与环境因素有关。

Computer Aided Diagnosis Axiography is precise and reliable during the record of condyle movement. On the basis of traditional face bow system, CADIAX use two styli in order to computer the hinge axis; the styli is near to the condyle which diminish the enlargement error and make the record more reliable. Computer technique is adopted by CADIAX, which give a more comprehensive analysis of condyle movement, which can observe the condyle movement in four dimensions. The position of mandible during recording is started from Reference Position, the mandible is posited at a retral position, a more physiological position, and the result is close to reality.

髁突运动轴图描记仪(Computer Aided Diagnosis Axiography)可以准确、可靠的记录分析髁突运动，在传统的面弓记录仪基础上，采用双髁突指针，可以准确计算绞链轴点；测量点与被测髁突距离接近，测量结果更加真实可靠；与计算机技术相结合，数据分析功能更加强大，对髁突运动可以进行四维分析，同步观察双侧髁突的时相特征；记录位置选用参考位置，下颌处于生理后位，记录结果更接近真实情况。

A composed rhomboid prism composed of two isotropic left-handed material prisms with an uniaxially anisotropic LHM plate,there is an angle between the interface of which and the optical axis, was designed.

左手材料复合双棱镜内部界面的古斯-汉森位移，设计了一种左手材料复合双棱镜，由两块各向同性左手材料棱镜与夹在其间的、其界面与光轴成一定的角度的单轴各向异性左手材料平板构成。

The propagation of elegant cosh-squared-Gaussian beams has been investigated and the analytic solutions have been obtained by means of an angular spectrum technique in uniaxially anisotropic crystals.

基于光束在单轴晶体中传输的角谱理论，对复宗量双曲余弦平方-高斯光束在单轴各向异性晶体中的传输作了研究，得到了一般的解析传输公式，并用数值的方法讨论了晶体内源于复宗量双曲余弦平方-高斯光束的两偏振分量的传输特性，结果表明，在适当参数的条件下，两偏振分量在晶体中的传输波形结构基本保持不变。

First, the angular velocity function and maneuver load for certain maneuver flight (including hover, dive-hike and these two combined) are set up. The simulation results of the vibration of double-disk rotor system with cantilever supported on rigid bearings show that rotor would be apparently deformed under maneuver load. Second, the performance of oil force of SFD in maneuver flight is analyzed. The results show that in maneuver flight, the SFD with centering spring will become eccentric and its oil force will be time-related and offset-related.

首先，建立了水平盘旋、俯冲拉起及盘旋+俯冲拉起复合机动三种机动飞行条件下的机动角速度函数，并确定了对应机动飞行条件下的机动附加载荷（附加离心力和附加陀螺力矩），分析了带刚支的双盘悬臂转子系统在机动飞行条件下的振动特性，发现发动机转子在机动飞行时会发生明显变形；随后，分析了非定心挤压油膜阻尼器的油膜力特性，机动飞行时，油膜轴颈在机动附加载荷的作用下偏离外环中心，使得带定心弹支的挤压油膜阻尼器也变成了非定心挤压油膜阻尼器，其非定心挤压油膜力是瞬态时变的，并且与SFD油膜轴颈偏移量和进动形态有关；然后，在经典的Jeffcott转子系统中引入带定心弹支的挤压油膜阻尼器，分析了机动飞行时非线性转子系统的振动特性，发现挤压油膜阻尼器油膜力的非协调特性也反映到转子系统的振动响应中；之后，对机动飞行条件下带挤压油膜阻尼器的双盘悬臂转子系统的振动特性进行了分析，并重点分析、总结了俯冲拉起机动飞行时，系统结构参数和工作状态参数（转速比、机动飞行半径、机动角速度等）对该系统振动特性的影响。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。