A.ma1=mt2 B.αa1=α C.β1=β1
A.i=ω1/ω2 B.i=n/n2 C.i=d2/d1 D.i=Z2/Z1
A.i=n1/n2=z2/z1=d2/d B.i=n1/n2=z2/z1 C.i=n1/n2=z2/q D.以上選項(xiàng)都不對(duì)