The U.N.report was based,in part, on one hundred ten national reports on action taken to reduce or stop the loss of biodiversity.

VOA: special.2010.05.25

So, what we have left in our equation is only one part that n we haven't explained yet, and that is that n value.

现在方程里只剩下一个常数,我们还没有解释，这就是。

麻省理工公开课 - 化学原理课程节选