The radius of the orbit, the energy of the system and the velocity of the electron, I am just going to present you the solutions.

是轨道的半径，系统的能量,以及电子的速度，我接下来会给你们讲解其方程的解法。

麻省理工公开课 - 固态化学导论课程节选

This is very encouraging to see that we can design this system much more quickly that may offer real benefit to patients to offset that surgical risk.

看到我们能够设计出这种系统,速度更快，能够让病人受益,免遭手术的风险，这非常令人鼓舞。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选