[填空题]
The angular momentum 10 in the hydrogen atom,y jwss 3 hba/i0ym oj+c)jl0/ is given4ztdk :q8az0 qc1 +fcb both by the Bohr model and by quantum mechanics. Comparef1tdb8+ 0qc cq4:kzaz the results for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf