[填空题]
A child has a near poq/j/:9ajn 90f uby suphmi99 oinl tj*) q.g.wcqt of 15 $cm$. What is the maximum magnification the child can obtain using an 8.0-$cm$-focal-length magnifier? What magnification can a normal eye obtain with the same lens? Which person sees more detail?
$M_1$ = $\times$
$M_2$ = $\times$
