And then, it's, for all intents and purposes, falls to zero.

然后，无论如何，它会降到。

麻省理工公开课 - 固态化学导论课程节选

So, that's a funny property of conventional mortgages -that the mortgage balance declines very slowly at first and then it falls rapidly when it comes to maturity.

这是普通贷款很有意思的特性,即贷款余额在起初减少的非常缓慢,但随着到期日的临近,便会加速递减

耶鲁公开课 - 金融市场课程节选

You see the radius is high and then it falls.

你看到半径是高的，然后下降。

麻省理工公开课 - 固态化学导论课程节选

This gives you a biological mechanism for cutting, using restriction enzymes, and then you denature so that it falls apart, and then you renature so that it comes back together.

这是一种切割DNA的生物机制,用限制性内切酶,改变DNA的性质让它打开,然后让它合起来恢复它的性质

耶鲁公开课 - 生物医学工程探索课程节选

And then it rises and then it falls.

然后上升又下降。

麻省理工公开课 - 固态化学导论课程节选

A peculiar property of this is that the mortgage balance falls slowly at first and then it gradually picks up; it's just a property of this formula.

其中一个特别的性质是,刚开始抵押贷款余额降得很慢,渐渐的,越降越快,这就是这个公式的性质

耶鲁公开课 - 金融市场课程节选

And it rises and then it falls.

上升再下降。

麻省理工公开课 - 固态化学导论课程节选