[填空题]
The angular momentum 10 in the hydrogen atom ig// x dt1wniw7sh)zau w2nnnoce97 *vw,9 jgk7 given both by the Bohr model and by quantum mechanics. Compare the resul7o*un w,aj9cn)zv9 gkn ehw 72ts for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf