考试时准有关于能量的题目。

In the exam there's sure to be a question on energy.

《牛津词典》

系统产生的能量足以给几千户人家供暖。

The system produced enough energy to heat several thousand homes.

《牛津词典》

那是巨大能量的作用。

It was a performance of great power.

《牛津词典》

So this delta energy here is very simply the energy of the initial state minus the energy of the final state.

很简单的，这个能量差等于,初始能量减去末能量。

麻省理工公开课 - 化学原理课程节选

What is the energy of the electron, the energy of this electron accelerating from rest and crashing into the anode here?

什么是电子的能量，电子能量由其他部分增大,撞击进入阳极？

麻省理工公开课 - 固态化学导论课程节选

So what we're saying here is the incident energy, so the energy coming in, is just equal to the minimum energy that's required to eject an electron.

这里我们来讨论一下，入射能量正好等于,发射出一个电子所需要的最低能量的情况。

麻省理工公开课 - 化学原理课程节选