注意,这些本征值并不是等距离分布的.Notice that the energy eigenvalues are not equally spaced.为此目的,我们将首先考虑下列的本征值问题.To this end we shall first consider the following eigenvalue problem.总可以做到使得简并的本征函数是正交的.It can always be arranged that dege...
I've never harmed a soul in my life.我这一生从未伤害过任何人。There was a fire in our street, but no one was harmed.我们街上发生了火灾, 但无人受伤.I have never harmed anyone.我从没伤害过任何人....
It was a hellish thing to do.做那种事真讨厌极了.The atmosphere in Washington is hellish...华盛顿的气氛令人憎恶。The atmosphere in Washington is hellish.华盛顿的气氛令人憎恶。I'm sure you will remember from the hellish years of your boyhood.我相信你一定...
“沙锥鸟”战斗机的驾驶舱空间不太宽敞。There was not much elbow room in the cockpit of a Snipe.比利·沙利文给我留下的印象是他是个很不错的人。Billy Sullivan had impressed me as a fine man.崖沙燕是一种褐羽白腹的鸟。The sand martin is a brown bird with white underneath....