And that's why, I ended up using a multiplicative factor, rather than an additive factor.

这也是为什么，我最后使用一个倍增因子，而不是用一个加法因子。

麻省理工公开课 - 计算机科学及编程导论课程节选

What we are going to say is that the wavefunction for molecular orbitals is going to be an additive sum of the wavefunctions of atomic orbitals.

我想说的是,分子轨道的波函数,就是多个原子轨道,波函数的线性叠加。

麻省理工公开课 - 固态化学导论课程节选