Unfortunately, we now have lived with it forever, so don't think of it as actually being anything dynamic particularly. It's just a name.
不幸的是,我们现在得一直沿用这个名字了,所以别认为它指的是什么动态的东西,这只是个名字。
People on Wall Street found that difficult to say -Federal National Mortgage Corporation- so they nicknamed it Fannie Mae; it sounds like a woman's name.
华尔街的人觉得这名字很拗口,联邦,国民,抵押,贷款,协会,所以给它起了个昵称,房利美,这听起来像个女性名字
So in talking about the hydrogen atom, they actually have different names for different series, which means in terms of different n values that we end in.
所以就氢原子来说,它的每个系都有不同的名字,代表了不同的末态n值。
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