[填空题]
The angular momentumi9 fbrhbq hruq ,9hs*(mbn/+ * 1 qdfre1ae 9po7a2a23v0 in the hydrogen atom is given both by the Bohr model and by quantum mechanics. Compare the rese1aedaa 7q2f po r9v23ults for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf