[填空题]
The angular momentum 10 in th+ilt.c uzagly, 26x;th/o/9 xy(ld y;jle8rfl- ;n:(zqozk xe hydrogen atom is given both by the Bohr model and by quantum mechanics. Codoxyrl/(qo: -/y(f ;8lnze xh; zjkl9mpare the results for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf