[填空题]
The angular momentum 10 in the hydroge4 bvpru(emw /*qh:*ry:m mk6rn atom is given bot0kd 3l/3gerb*pt g kqcq8j3q v 2+t9sdh by the Bohr model and by quantum mechanics. Compare the resb3*qcjsdpvk3 /r lqk3d8t9+0qg t2 geults for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf