If a appears to be moving at a steady speed relative to b.
如果A看上去以相对于B稳定的速度运动。
You should travel at a safe speed relative to the motion of the other vehicles on the road.
你应该使用一个对于道路上其他车辆相对安全的速度行驶。
Like racing cars that swerve and hit each other on a circular track, the moons' speed relative to each other is low because they travel in nearly the same orbit.
这有点像是突然转向的赛车在环形赛道上相撞，月亮们也在同一轨道公转，所以他们之间的相对速度很小。
The new method for constructing the guide tree and the basic local alignment search tool increase the algorithm speed relative to other multiple alignment algorithms.
引导树构造方法的改进和快速局部比对算法的采用，使得算法运行速度大大高于一般算法。
Its speed relative to the vertical conveyor is low, mainly used for horizontal or small Angle transport materials, transport distance is generally not more than 70 meters.
其转速相对于垂直输送机要低，主要用于水平或小倾角输送物料，输送距离一般不大于70米。
Cold beating lead screw plays the role of high-speed relative motion in the way of high-speed blowing shaft blanks, so that local plastic deformation forms a non-chip metal forming technique.
丝杠冷打是在工具和丝杠高速相对运动中，以高速断续的方式击打丝杠轴坯，使丝杆轴坯局部塑性变形形成丝杠螺纹的一种无屑塑性成形技术。
Speed is all about space and time, and I remember some guy named Einstein saying those things were relative.
速度所言，无非空间与时间，而我记得有个叫爱因斯坦的家伙说过这些东西是相对的。
On the other hand, since object size and moving speed confirm to relative comparison with an other, a 3D effect can be deceived easily like fig.2. But the 3D effect got by fig.2 is not so real.
另一方面，因为物体大小和移动的速度是由与之相关的参照物确定的，3D的效果很容易被像图2所模拟出来，但是图2所展示的3D效果并不很真实。
This exercise gives coaches a good indication of each oarsman’s boat-moving ability—and of the relative speed of combinations of rowers.
通过这个过程，教练可以大体得知船员的划船能力以及和其他组员组合后的相对速度。
we asked. 'Measuring the relative speed and angles of the balls, the distances to the pocket and final placement of the white ball?'
我们问，“测算球的相对速度和角度，判断白球到球袋的距离以及最后的位置呢？
Of course, high speed is relative.
当然，高速只是相对的。
We are seated in one of the trains, and with us we have a special speedometer that measures their relative speed.
我们坐在其中的一列火车上带着特制的速度测量仪，可以测出两列火车之间的相对速度。
But the satellites will arrive with less relative speed than spacecraft making the trip in three days, which means less fuel will be needed to brake and drop into lunar orbit.
但是相比太空飞船，卫星着陆时需要相对小的速度，这将需要三天的时间，意味着消耗更少的燃料进入绕月轨道。
Even someone who knows nothing about StarCraft can be brought up to relative speed within the duration of a quick 3-4 minute explanation.
即便是一个对星际一无所知的人，通过3 - 4分钟的解说和观看也能对星际达到相当程度的了解。
If your answer is yes, then you are wrong again. All we can be certain of is that the relative speed between the two trains changed.
如果你回答说是的，那么你就又错了。我们所能够完全肯定的一点只是这两列火车之间的相对速度变了。
But, if you run the motor power at around 60 you will get a relative speed of 6-10 feet per minute.
但是，如果您运行的电机功率约为60你会得到一个相对速度为每分钟6 - 10米。
The signal peak is searched by the relative amplitude instead of the absolute level, so as to reach high accuracy and speed.
该方法采用了相对幅值的信号峰提取技术，消除了绝对幅值变化带来的不利影响，准确性高，处理速度快。
You are not allowed to prevent your relative from increasing the present speed.
你不被允许阻止你的亲戚尽力提高目前的速度。
Our galaxy's position, speed and direction relative to several neighboring galaxies is also important.
我们银河系相对于几个邻近星系的的位置、速度和方向也很重要。
The results showed that the highest relative speed is affected mainly by eccentricity and radius of eccentric gear, and led to the agglutination.
计算表明，激波器偏心距和激波器半径对最大相对速度的影响最明显，是影响胶合磨损的主要影响因素；
The frequency response of recording devices is a function of the relative speed of the recording medium past the head.
记录设备的频率响应是上述记录媒质经过磁头的相对运动速度的函数。
The relative speed between driving wheel and pin rail varies with sinusoidal function.
驱动轮和销轨的相对速度按正弦函数变化。
The automobile made it possible for people to travel door-to-door at a reasonable speed and in relative comfort.
汽车让人们可以直接到达目的地，速度较合理，而且也比较舒适。
Otherwise, the K theory should be modified according to the relative speed of reactions and turbulence .
在有化学反应的情形下，应根据化学反应速度与湍流交换速度的相对大小对K理论做修正；
Vortex-induced vibration is limited amplitude response, but it occurs at low wind speed with relative large amplitude, which will affect the strength and fatigue resistance of the structure.
尽管涡振是一种限幅振动，但由于其发生风速较低，振幅相对较大，会影响结构的强度和疲劳，因此大跨度拱桥的涡振响应研究具有重要的意义。
Vortex-induced vibration is limited amplitude response, but it occurs at low wind speed with relative large amplitude, which will affect the strength and fatigue resistance of the structure.
尽管涡振是一种限幅振动，但由于其发生风速较低，振幅相对较大，会影响结构的强度和疲劳，因此大跨度拱桥的涡振响应研究具有重要的意义。
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