The X-15 flew upward with unbelievable power.

VOA: special.2010.07.07

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

The value 2 is still in what we called Y. It's now also in what we called X, but notice inside of main and here's the power.

数值2还是在y中，现在,它也在x中，但注意在main中,这是那个能力。

哈佛公开课 - 计算机科学课程节选