And the solution to this equation looks like this where it is written in terms of a quantity called a wavefunction.

这个方程的解法是,看起来像是写成数学符号就是,波函数。

麻省理工公开课 - 固态化学导论课程节选

What comes out of the math is that the value of k, there are multiple values, there are multiple solutions.

得到的数学结果是k的值，这有多种值，多种解法。

麻省理工公开课 - 固态化学导论课程节选

In math, when you see multiple value solutions, these are eigenvalues.

在数学中，当你看到许多值的解法时，这些就是特征值。

麻省理工公开课 - 固态化学导论课程节选