field of conservative force的意思|示意

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.

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。

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.

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。

The article proceeds from the characteristic of doing work of electrostatic field strength and proves that electrostatic field is a conservative force field.

文章从静电场力作功的特点出发，说明静电场是保守力场。

According to the characters of the work of magnetic force, the concept of potential energy can be brought in the non conservative system-magnetic field.

根据磁力做功的特点，在非保守场———磁场中也可以引入势能的概念。