The question is what does the curl of a force field mean?
问题是一个力场的旋度代表什么？
There is a force field around the arbitrary magnetic pole.
在任一个磁极的周围有一个力场。
It tells you that you cannot get energy for free out of your force field.
就意味着你不可能在力场里面无偿地得到能量。
In the majority of application, either the force field or the displacement field is imaginary.
在多数应用中，不是力场就是位移场总有一个是虚设的。
When they exit from one side of the Force Field, they will not be able to cross back through the Force Field.
当他们从某处离开原力场时，他们将不再可以回头穿越这个区域。
And the force caused by the magnetic field, I am never sure about the sign.
由磁场生成的力，我不确定其符号。
With strong technical force, in the field of instrumentation has obvious advantages.
凭借雄厚的技术力量，在仪器仪表领域具有明显的优势。
It describes the relationship between electric field and resistance force of ERF shock absorber.
描述了新型电流变液体汽车减振器阻尼力与电场之间的关系。
In this paper the evolution of force-free magnetic field was discussed.
本文讨论了太阳活动区和黑子区的无力场的演化。
We exert ourselves to be the main force in the field of cosmetics.
努力成为化妆品原料上的主力军。
We exert ourselves to be the main force in the field of cosmetics.
努力成为化妆品原料上的主力军。
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