两个电荷之间的电磁作用力在不同参考系中测量结果是不一样的。
The measure result of the electromagnetic force between two charges is different in distinct reference system.
应用电磁场分析软件对高速电磁阀电磁作用力进行有限元分析计算。
Based on the analysis software of electromagnetic field, the electromagnetic force which is for high-speed solenoid was calculated by the finite element analysis of electromagnetic field.
直线电机和反力板间的垂向电磁作用力随气隙值动态变化，将其简化为特殊的线性弹簧。
The vertical electric magnetic force between LIM and reaction plate which dynamically varied with the air gap is simplified as special linear spring.
四种基本力(重力，电磁力，强作用力和弱作用力)都有一个理论把手，调节这东西可以改变力的强度。
Each of the four fundamental forces (gravity, electromagnetism, and the strong and weak nuclear forces) has a kind of theoretical knob that can be turned up or down to change its strength.
科学早就通过测量、观察和实验告诉我们宇宙中有四种力：电磁力、强相互作用力、弱相互作用力和万有引力。
Science has shown us through measurement, observation and experimentation that there are four forces in the Universe: electromagnetism, strong interaction, weak interaction and gravitation.
重力和其它基本作用力如电磁力之间的关系，是物理学长期以来最引人关注的奥秘之一。
One of the longest outstanding mysteries in physics is how gravity is related to the other fundamental forces, such as electromagnetism.
因为，这个理论的最终证实， 惟赖人们一瞥玻色子W和Z的真容——该理论推断这两种粒子携带弱相互作用力，就像光子携带有电磁力一样。
The theory’s vindication would come only with a glimpse of W and Z bosons—particles which, it posited, carried the weak force, just as photons carried the electromagnetic one.
科学家们认为，万有引力、电磁力、弱力和强力是宇宙中的四种基本作用力。
Scientists believe that gravity, electromagnetic force, strong nuclear force and weak nuclear force are the Four Basic Forces of the universe.
众所周知，在自然界中有四种基本的相互作用力：电磁力、强相互作用力、弱相互作用力和万有引力。
Well, as you all know, there are four fundamental forces in physics: electromagnetism, strong nuclear interaction, weak nuclear interaction and gravity.
这项特色是很受人欢迎的，因为它精确地吻合所有已知基本作用力载体（如传播电磁力的光子以及重力的重力子）的性质。
This feature is very welcome because it precisely matches the properties of the carriers of all known fundamental forces, such as the photon (for electromagnetism) and the graviton (for gravity).
磁悬浮轴承(MB)是一种新型的机电式轴承，是利用电磁场对导磁体的作用力而实现对转子的无接触支承。
Magnetic Bearing (MB) is a kind of new typical mechatronics product which utilizes the electromagnetic attractive force exerting on a magnetic conductor to suspend a rotor without any contact.
加速度的方向跟作用力的方向相同。因此以光速运动的电磁波EM，有一定动能作用于一个反射器，从而产生一个微小的力。
Thus an electromagnetic (EM) wave, travelling at the speed of light has a certain momentum which it will transfer to a reflector, resulting in a tiny force.
电荷的运动产生磁场，磁力是运动电荷在磁场中所受到的作用力，在经典电磁学理论中，磁感应强度的定义不能全面反映上述磁性起源的微观本质。
However, the definition of magnetic induction strength in traditional magnetism theory may not completely demonstrates micro nature of the origin of magnetic property.
目的在于避开磁场概念 ，只从静电场理论的角度讨论电磁问题 ，通过对运动电荷相互作用力的分析 ，运用简单的几何关系和库仑定律 ，重新诠释了安培力定律。
By analyzing the interaction of the locomotor charges and using simple geometrical relationship and the Coulombs law, we provide a new interpretation for the Ampere force law.
目的在于避开磁场概念 ，只从静电场理论的角度讨论电磁问题 ，通过对运动电荷相互作用力的分析 ，运用简单的几何关系和库仑定律 ，重新诠释了安培力定律。
By analyzing the interaction of the locomotor charges and using simple geometrical relationship and the Coulombs law, we provide a new interpretation for the Ampere force law.
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