亦称势力场,或有势力场.力场的一种.
... conservative force保守力 conservative force field保守力场 conservative motion守恒运动 ...
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... newtonian field of force 牛顿力场 conservative field of force 保守力场 ; 守恒力场 ; 力之守恒场 electric field force 电场力 ...
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文章从静电场力作功的特点出发，说明静电场是保守力场。
The article proceeds from the characteristic of doing work of electrostatic field strength and proves that electrostatic field is a conservative force field.
具体来讲，如果你有一个保守力场，就不可能建立起永恒的运动。
So, what that means concretely is if you have a force field that conservative, then you cannot build somehow some perpetual motion out of it.
目前为止，我们主要关心的是，如果在保守力场中，力所做的功是，能量的改变。
Our main concern so far has been to say if we have a conservative force field it means that the work of a force is the change in the energy.
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