So, we need to actually add on this fourth quantum number, 1/2 and it's either going to be plus 1/2 or negative 1/2.
所以我们需要加上这第四个量子数,它等于1/2或者负的。
So to really add to this, we need to have branching programs.
因此为了实现这个功能,我们需要分支式程序。
So we don't need to add,in this ad hoc fashion,the no branching rule.
这样我们也就不用加入无分支规则了。
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