科学家们知道：只有在中子撞击原子的原子核时，中子才可能处于游离状态。这种碰撞会改变原子核的运动轨迹。
Scientists know that a neutron is loose only when the neutron hits the nucleus of an atom. The collision changes the path of the nucleus.
这四种新元素都是人造的，是由火花与原子核相互撞击并且循着放射性超重元素衰变的轨迹而发现的。
The four new elements, all of which are synthetic, were discovered by slamming lighter -nuclei into each other and tracking the following decay of the radioactive superheavy elements.
基于再生核理论给出了对轮动式移动机器人轨迹跟踪控制问题的一种新的解决方法。
A new method for trajectory tracking of wheeled mobile robots is presented based on the theory of reproducing kernel.
针对平整坡面上行驶的月球车，研究了基于再生核理论的月球车轨迹跟踪控制新方法。
For lunar rover running on the planar slope, a new method for trajectory tracking of lunar rover was developed based on the theory of reproducing kernel.
针对平整坡面上行驶的月球车，研究了基于再生核理论的月球车轨迹跟踪控制新方法。
For lunar rover running on the planar slope, a new method for trajectory tracking of lunar rover was developed based on the theory of reproducing kernel.
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