A.25%左右 B.60%左右 C.85%左右 D.30%左右
A.鋸齒緣 B.角鞏膜緣 C.視神經(jīng)周?chē)?br /> D.渦靜脈周?chē)?/p>
A.50厘米處 B.0.827m或0.173m C.0.62m或0.38m D.0.45m