[填空题]
The angular momentum 10 in the hydrogen atom is given both,pq )x*um. *is-+aqolar tm u1 by the Bohr og 4f(:xgafm7 xrg1t 6model and by quantum mechanics. Compare th: (1taxfgm o rg4x67gfe results for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf