所以我们意味着，它们都是自旋向上，记住我们的自旋量子数，是第四个量子数。

So by parallel we mean - they're either both spin up remember that's our spin quantum number, that fourth quantum number.

youdao

所以我们意味着，它们都是自旋向上，记住我们的自旋量子数，是第四个量子数。

So by parallel we mean - they're either both spin up remember that's our spin quantum number, that fourth quantum number.

youdao