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- The clocks in relative motion keep different times. 处在相对运动状态下的几个钟，所记录下来的时间不同。
- Frictional forces may also act when there is no relative motion. 在无相对运动的情况下，也可以有摩擦力的作用。
- Relative motion：motion of the moving point relative to the MCS. 绝对运动：动点对静系的运动。
- This peculiar and often frustrating experience is an effect of relative motion. 这种奇特的而又经常使人沮丧的经历就是相对运动所产生的效应。
- The science of the mechanisms of friction,lubrication,and wear of interacting surfaces that are in relative motion. 摩擦学研究处于相对运动中的相互作用的表面的摩擦，润滑和磨损等机械装置的科学
- Any linkage which contains a screw pair, for example, is a spatial mechanism, since the relative motion within a screw pair is helical. 凡带有如螺旋副之类的连杆都是一个空间机构,因为螺旋副的相对运动是螺旋运动。
- Friction, as the term is understood in mechanics, is the resistance to relative motion between two bodies in contact. 正如大家在力学中所知，摩擦就是两个相接触的物体产生相对运动的阻力。
- A force that resists the relative motion or tendency to such motion of two bodies in contact. 摩擦力一种阻止两个相接触物体之间的相对位置移动的发生的力
- The orogenic types were controlled by the relative motion mechanism between lithosphere and asthenosphere. 板块和软流圈之间不同的相对运动机制是形成不同类型造山作用的主要原因。
- The science of the mechanisms of friction, lubrication, and wear of interacting surfaces that are in relative motion. 摩擦学研究处于相对运动中的相互作用的表面的摩擦，润滑和磨损等机械装置的科学
- Doppler Shift in satellite communication should not be ignored for the satellites with relative motion. 在卫星通信过程中,对具有相对运动的卫星,星间链路的多普勒频移是不能忽视的。
- Relative Motion: Moving origin, but fixed rotation. (Image adapted from lecture notes of the course faculty. 相对运动：移动来源，转动方向不变。（图片取自本课程的课堂讲稿。）
- Maginal orogeny was formed on this condition with same relative motion trend between lithosphere and asthenosphere. 板缘造山主要表现为岩石圈和软流圈以基本相同的运动趋势的相对运动。
- The amazing speed and erratic motion indicated that it couldn't have been a plane or a meteorite. 惊人的速度和奇异的动向表明它不会是一架飞机或是一颗陨星。
- Here is relative motion between wave source and observer in the Doppler effect. That makes observers feel the phenomenon of changing in frequency. 多普勒效应由于波源和观察者之间有相对运动,使观察者感到频率发生变化的现象。
- Description of particle motion, two kinds problems of kinematics, circle motion, supposition principle of motion and relative motion. 质点运动的描述;两类运动学问题;圆周运动;运动的叠加原理和相对运动。
- Internal waves, far below the surface, develop between water masses that have different densities and between which there is relative motion. 在海洋深处,内部形成的浪滔在拥有不同密度而且彼此间有着相对运动的水体中产生。
- We should respect our elders,” parried the man. And with that, he gestured with a sweeping motion indicating the way for the woman. “我们应该尊重长辈”那个男的闪开了，然后做了一个请的手势示意那女的走这条路！
- The process of escape and sucedent emergency separation of spacecraft modules when spacecraft rising besides aerosphere is a complex process of multi-body relative motion. 在上升段大气层外当出现紧急情况时航天飞船的逃逸及随后的舱段应急分离过程是复杂的多个舱段的相对运动过程。
- A fuzzy controller was designed based on the relative motion equation described in the line of sight(LOS) coordinate frame. 文中根据视线相对运动方程,设计了一个模糊控制器来实现终端接近制导。
