the conservation of mechanical energy的意思|示意

LEWIN Shall we try the conservation of mechanical energy Is there anything wrong with that?

大声点。，lewin：，So, speak, up。，我们可以尝试用，机械能守恒定律吗？，这样用有什么问题吗？

The conservation law of mechanical energy in variable mass mechanical systems with ideal bilateral holonomic constraints is studied.

研究具有双面理想完整约束的变质量力学系统的机械能守恒律。

Now I want to return to the conservation of mechanical energy.

现在我想回到，机械能守恒。

It is explained that the law of conservation of mechanical energy obeys relativity principle of mechanics.

系统地阐明机械能守恒定律无条件服从力学相对性原理。

I believed in the conservation of mechanical energy and I overlooked the tension.

我相信，机械能守恒定理，我忽略了张力。

This paper deals with the problem of how to skilfully select spring elastic potential energy zero in applying law of conservation of mechanical energy, and makes some analyses combined with examples.

在应用机械能守恒定律时，如何巧选弹簧弹性势能零点问题进行了探讨，并结合实例进行了分析。