(Obama's Speech) In crafting the U.S.response to global climate change, the president said congressional lawmakers must take into account the real price of America's heavy reliance on petroleum-based energy.

VOA: standard.2010.06.14

The formula tells us or absorbed based on the energy difference between the two levels that we're going between, that the electron is transitioning between.

这些公式告诉我们,或发出的光的，频率大小,是基于，电子转移的，两个能级，之间的能量差。

麻省理工公开课 - 化学原理课程节选

India and Russia... they are bulding ties based on energy and I suspect...strategic security.

印度和俄罗斯。,在能源方面,还有，我想，战略安全方面联系紧密。

普林斯顿公开课 - 国际座谈会课程节选

Each year the Washington-based League of Conservation Voters releases a scorecard that rates the performance of members of Congress on environment and energy issues.

VOA: standard.2010.02.25

And we can generalize to figure out, based on any principle quantum number n, how many orbitals we have of the same energy, n and what we can say is that for any shell n, there are n squared degenerate orbitals.

我们可以总结出来，在，主量子数为n的情况下，同一个能量上，有多少个轨道，我们可以说，对任何壳层，有n平方个简并轨道。

麻省理工公开课 - 化学原理课程节选

Second,he says, Lithuania is taking a step forward into the electricity market that he adds,will change the planned system of energy into a market based system.

VOA: standard.2010.01.01

Corn-based ethanol produces only slightly more energy than it takes to produce it.

VOA: standard.2009.09.02

a vision of America where growth is not based on real estate bubbles or overleveraged banks, but on a firm foundation of investments in energy, education and health care that will lead to a real and lasting prosperity,"

VOA: standard.2009.03.21