A.灰綠色團(tuán)塊狀物 B.不均勻灰白色模糊斑片 C.凝聚的膠質(zhì)斑塊 D.灰白色硬質(zhì)斑點(diǎn)
A.單弧設(shè)計(jì) B.多弧設(shè)計(jì) C.透鏡薄化設(shè)計(jì) D.非球面設(shè)計(jì)
A.15° B.20° C.25° D.30°