查询词典 wheel

This theory holds that the earthfloats on a water body,the water wheel resides ina wind wheel,and the wind-wheel in supported by the immense void,so each of them does not drop or fall down.

知识词典自然科学史研究京297～303K5世界史陈美东19991999印度古代关于一个小世界的结构的理论，至迟在西晋（265—317年）时期便已随佛教的东来传入中国。

The article gives a design of an NIR instrument with filter. The working theory of the instrument is: during wheel running a circle , ray from light source irradiates the sample after it through a certain filter of filter wheel, so ray would carry the absorption spectrum of sample . We can know components of the sample by analyzing the ray . Filter wheel is its light splitter.

本文给出了一个使用滤光片作为分光器件的近红外光谱仪的控制电路设计方案，其工作原理是：当滤光轮转动时，光源出射光经过滤光轮上的某一滤光片，再照射到样品上，经样品池出射的光携带有样品的吸收光谱信息，滤光轮转动一圈，可得到样品不同波长处的光谱信息，通过后期数据分析可得到样品的成分含量信息。

During the course of solving the grinding wheel cross-sectional profile, it also analyses the grinding wheel cross- sectional profile errors and the errors sensitive parameters,which are resulted by the existence of the drill end-sectional errors and the relative position errors between the drill bit and the grinding wheel.

并分析了在求解砂轮截形的过程中，由于存在钻头端截面误差和钻头与砂轮相对位置误差，所带来的砂轮截形误差及其误差敏感性参数。

The temperature and stress field of wagon wheel under the condition of long ramp way cycle braking in Daqin line have been simulated by using FEM and axial symmetry model Results indicate that high stress area appears on the wheel web, and the strength of wheel meets the requirement of routine operation under current braking condition.

采用轴对称模型和有限元方法，模拟了大秦线长大坡道循环制动条件下货车车轮温度和应力场，结果表明车轮高应力区出现在辐板上，现行制动条件下车轮强度满足使用要求。

With the development arise some problems of the wheel/rail performance, the requirement of the train traction for the adhesion of wheel/rail will become more and more strict, and rail corrugation of wheel/rail, rolling contact fatigue and derailment will become more and more serious. The solution to the problems will have direct effects on the railway development.

当前世界铁路正朝着高速和重载的方向发展，随之而来的是列车牵引对轮轨粘着的要求越来越高，而轮轨的波浪形磨耗、滚动接触疲劳、脱轨等轮轨关系问题越来越严重，其解决与否直接影响到铁路的快速发展。

The development tendency of the railway construction in the world today is serving high speed trains and csirrying heavy load. With the development arise some problems of the wheel/rail performance, the requirement of the train traction for the adhesion of wheel/rail will become more and more strict, and rail corrugation of wheel/rail, rolling contact fatigue and derailment will become more and more serious. The solution to the problems will have direct effects on the railway development.

当前世界铁路正朝着高速和重载的方向发展，随之而来的是列车牵引对轮轨粘着的要求越来越高，而轮轨的波浪形磨耗、滚动接触疲劳、脱轨等轮轨关系问题越来越严重，其解决与否直接影响到铁路的快速发展。

Wheel tractors, especially small wheel tractors have some well-known disadvantages such as poor traction performance, driving wheel slipping, low traction efficiency and high fuel consumption.

轮式拖拉机特别是小型轮式拖拉机在田地进行重负荷作业时，牵引附着性能差，驱动轮滑转严重，造成牵引效率低、油耗大是普遍现象。

Lock it by dropping the seatpost, then swing the front wheel under and round, and tuck it in next to the rear wheel, with the derailleur nestled between the front wheel spokes.

折叠前须将链条变到后飞轮最小齿，接著将后轮往前荡向主管下方，下滑座杆将之卡住；再来把前轮向车身收折至后轮旁，此时后变速器会恰好介於前后轮钢丝间；最后将立管放下折向另一边。

Mark a point on the steering wheel cover that is longitudinally and transversely, as measured along the surface of the steering wheel cover, within ±6 mm (±0.2 in) of the point that is defined by the intersection of the steering wheel cover and a line between the volumetric center of the smallest volume that can encompass the folded undeployed air bag and the volumetric center of the static fully inflated air bag.

S26.2.2 在方向盘面上划一点作记号，这个点是在沿方向盘的表面测量而确定的。这个点的位置由方向盘表面和能装下未充气折叠气囊最小空间的中心与静止状态下充分冲气气囊的空间中心之间的一条线所交叉的那个点来确定。前面的那个记号点在这个交叉点的纵横±6 mm (±0.2 in)处。

A spring wheel was designed for lunar rover, the advantages of this configuration can be summarized as below: the wheel could be contracted to get a smaller stowed volume in launch vehicle, and the deformation of the wheel under load can increase the contact surfaces and decrease the pressure on soil. Also it can smooth rover vibration on rough terrain.

设计了一种月球车弹性车轮，这种结构的优点是，在发射过程中车轮收缩可以节省所占火箭内部空间，行走时车轮在重力载荷作用下产生弹性变形，可以增大接地面积，减小接地比压，车轮可以吸收行走时的振动冲击，起到弹性减振元件作用。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。