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

Lithium has three electrons. If it loses two one remains. What is this formula telling us?

锂原子有三个电子，如果它失去两个,剩下一个，那么这个式子告诉了我们什么？

麻省理工公开课 - 固态化学导论课程节选

Does the fact that death follows life-- does that produce any interaction effects between the two, which need to be added into our formula-- ? added into the mix as well?

那生后即是死这个事实-,有没有在这两者间产生任何相互影响，也需要被增加到我们的公式中来-,要增加到混合中来？

耶鲁公开课 - 死亡课程节选

Mr Surtees, 18, died in a crash during a Formula Two race at Brands Hatch last July.

BBC: Chatham kart challenge in memory of Henry Surtees

There followed a three-year spell with Brabham prior to Dennis working on a number of projects in Formula Two and Three for a decade.

BBC: McLaren's Dennis quits Formula 1

Massa's accident came days after Formula Two driver Henry Surtees, 18, was killed in what was described as a freak accident during a race at Brands Hatch.

BBC: Massa set to fly home to Brazil