用一减去后面那部分，再整体乘以，你就能得到0 - 100间的一些数值。

Subtract that from one, 100 multiply it by 100 and you have something between zero and 100.

youdao

不过我们还没有+ 1这一项，所以我们在后面减去一个。

Well, we don't have a plus one 1 so let's remove it by subtracting one.

youdao

Subtract that from one, 100 multiply it by 100 and you have something between zero and 100.

用一减去后面那部分，再整体乘以,你就能得到0-100间的一些数值。

麻省理工公开课 - 固态化学导论课程节选