It shuffled around the house, waving its broom in the general direction of the floor, and only coincidentally making contact with any dust.
它在房子里转来转去，在地板上朝着一个方向挥舞者扫帚，只是碰巧才会扫到一点灰尘。
Single-row Angular Contact ball bearings can sustain radial, axial or composite loads, however, any axial load must be in one direction.
单列角接触球轴承可承受径向，轴向或复合负荷，不过，任何轴向负载必须在一个方向。
You've been told that hitting through the middle of the ball produces head-on contact for power and control, but the popular stroking direction in books and tennis tips produces the opposite effect.
你已经学过了，通过击打球的中心可以获得力量和控制，但书中和网球贴士中流行的击球方向指导却会产生相反的效果。
Particle penetrating direction has influences on the magnitude of surface deformation, contact pressure and stress, and the distribution forms of contact pressure and stress.
磨粒侵入方向不仅影响材料表面变形、表面接触压力和表层应力的大小，而且会引起压力和应力分布形状的改变。
Single-direction and double-direction angular contact thrust ball bearings (Figures 1.50 and 1.51) are used for machine tool spindles requiring rigid axial guidance.
单向和双向推力角接触球轴承（图1.50和1.51）都用机床主轴轴向刚性作为指导。
The protein structure prediction is a main direction in bioinformatics, and the prediction of protein contact maps is an important content in protein structure prediction.
蛋白质结构预测是生物信息学的一个主要研究方向，而蛋白质关联图预测是其中的一个重要内容。
Direction: physiognomy tangential contact with, and objects with relative movement trends in opposite directions.
方向：面相切接触，并与物体的相对运动趋势的方向相反。
Besides, the whole stability of the ball buddy is increased since that the lower surface of the added direction indicator enlarges the contact surface with ground.
此外，由于增设的方向指示器下平面扩大了与地面的接触，提高了球托的整体稳定性。
According to the invention, the operating member is arranged, during operation, always to rotate the main contact (11) in one and the same direction of rotation.
根据本发明，所述操作部件设置为在操作过程中总是以一个相同的旋转方向旋转所述主接触件(11)。
The transfer modes of contact material and the cause of reversion of transfer direction are discussed.
研究了触头材料转移模式及转移方向的反转原因。
The machining error affecting the load distribution are errors of the tooth flank direction and the contact line.
影响负荷分布性的加工误差主要因素是齿向误差和接触线误差。
Down milling (climb milling). As can be seen in Fig. 12.3b, in down milling the cutter rotation coincides with the direction of feed at the contact point between the tool and the workpiece.
顺铣(同向铣削)：如同在图12.3b中看到的那样，在顺铣时刀具与工件之间接触点上铣刀旋转与进给方向一致。
An analysis of a type of angular contact ball bearing under given input power spectrum density is performed. The result demonstrate that the bearing is safe in any load direction.
以某种角接触球轴承为例，验证了其在给定输入功率谱密度下任意方向加载都安全。
The induced normal curvature of two conjugate tooth surfaces along normal direction of contact line is one of the important indexes evaluating mechanical transmission performances.
两共轭齿面沿接触线法向的诱导法曲率是衡量机械传动性能的重要指标之一。
Single row angular contact ball bearings in tandem arrangement must always be adjusted against another bearing inversely arranged for shaft guidance in the opposite direction.
单列角接触球轴承串联布置必须始终另一个轴承对轴的指导成反比安排在相反的方向调整。
This method is accurate, can effectively prevent the standard section of the horizontal displacement of the direction of the contact stability is good, so the current use of more.
这种方式定位准确，能有效阻止标准节水平方向的位移，接点稳定性好，故目前采用较多。
Communication shall pay an important role in data transmission, data base visit, planning management, direction and decision, as well as communication contact.
通信应在数据传输、数据库访问、规划管理、指挥决策、通信联络中起重要作用。
An iterative algorithm is used to work out the vertical properties, including vertical stiffness, contact length and frictional force distribution in longitudinal direction.
采用迭代算法计算了静态垂直特性，即垂直刚度、印迹长度及摩擦力在纵向的分布。
Yes, we have car renting service in our Concierge. May I help you to contact them? (Lead the guest to the place where the Concierge can be seen and stretch out hand politely to show the direction)
您好，酒店礼宾部有租车服务，需要我帮您联系吗？（引领客人至可以看到的位置，并伸手示意方向）
Thurst angular contact ball bearings only bear unilateralism axial load. If single bearing loading couldn't meet request, or bear double direction axial load, it should choose bearing combine.
该类轴承只能承受单方向的轴向载荷，如果单个轴承的载荷不能满足需要，或者要求承受两个方向的轴向载荷时则选用轴承组。
The electronic endoscopic navigation system can freely move and change the direction of a lens without other contact operations and controls, thus having favorable adaptability and maneuverability.
本发明无需其他接触性的操作和控制，就能够自由移动和改变镜头的指向，具有良好的适应性和可操作性。
English Name:Rolling bearings - Angular contact radial ball bearings - Part 4: Single row, double-direction - not self-locking, with double-split inner ring (Four-point contact bearing)
简体中文标题：滚动轴承。单列非自保持径向止推球轴承。带可分解内环的四点支承滚动轴承。
English Name:Rolling bearings - Angular contact radial ball bearings - Part 4: Single row, double-direction - not self-locking, with double-split inner ring (Four-point contact bearing)
简体中文标题：滚动轴承。单列非自保持径向止推球轴承。带可分解内环的四点支承滚动轴承。
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