The power of linearity is F=k1+k2 if I come across f of x, y, z equals k1 plus k2, if it is a linear equation, I don't have to go and solve it all over again.

线性的威力是,一个方程，如果它是个线性方程，那么我就不用再去解他了。

麻省理工公开课 - 固态化学导论课程节选

What does this mean? Linearity of solutions, the elegant way of saying it is superposition holds.

这是什么意思，方程的线性关系，是解决问题的十分漂亮的方法。

麻省理工公开课 - 固态化学导论课程节选

Linearity is the desirable way to go if you can manage.

线性关系是在你足够熟练时十分可取的方法。

麻省理工公开课 - 固态化学导论课程节选

Here is the power of linearity.

下面就是线性的威力。

麻省理工公开课 - 固态化学导论课程节选